Can a Part-Time Employee Work Full-Time Hours? (w/Examples) + FAQs

Yes. Part-time employees can legally work full-time hours, but doing so triggers specific legal obligations that employers must follow.

When a part-time employee consistently works 30 or more hours per week or any week exceeds 40 hours, federal and state laws may require you to provide benefits, pay overtime, and reclassify the employee’s status. Understanding these rules prevents costly mistakes, lawsuits, and penalties.

What You Will Learn

🔍 The legal difference between part-time and full-time work under federal law and why it matters

⚙️ Overtime pay rules and exactly when part-time employees qualify for time-and-a-half compensation

💼 Benefits eligibility including health insurance, retirement plans, and paid leave triggered by hours worked

📋 Real-world scenarios showing what happens when part-time workers reach full-time thresholds

⚠️ Common mistakes employers make that lead to back pay, penalties, and lawsuits

Understanding Part-Time vs. Full-Time Employment

The United States has no single federal definition of part-time or full-time employment. However, multiple federal agencies have created their own standards for specific laws, and these definitions often conflict with one another. This confusion creates legal risk for employers who do not track hours carefully.

The Fair Labor Standards Act (FLSA), the foundational wage and hour law in the United States, does not define part-time or full-time work. The FLSA focuses entirely on hours worked and overtime obligations. In contrast, the Internal Revenue Service (IRS) and the Affordable Care Act (ACA) define a full-time employee as someone working at least 30 hours per week or 130 hours per month on average.

The U.S. Bureau of Labor Statistics generally considers full-time work to be 35 hours per week or more, while part-time work ranges from one to 34 hours per week. Because these definitions differ, an employee could be classified as part-time under your company’s internal policy but qualify as full-time under the ACA. This mismatch exposes your business to significant liability.

The key principle is this: an employee’s status depends on the hours they actually work, not the label your company uses. If a part-time employee regularly works 30 or more hours per week, federal law may treat them as full-time for benefits purposes regardless of their job title.

Why This Matters: The Immediate Problem

The problem stems from how federal law treats compensation and benefits. Under the ACA, employers with 50 or more full-time equivalent employees must offer health insurance to anyone working 30 or more hours per week or face penalties of up to $2,500 to $3,750 per employee per year. Similarly, the FLSA requires overtime pay (time and a half) for any non-exempt employee who works more than 40 hours in a single workweek, regardless of whether they are classified as part-time or full-time.

When employers ignore these rules, they face not just fines but also class-action lawsuits from employees seeking back wages, liquidated damages, and attorney fees. For instance, when companies misclassify workers or fail to pay overtime, penalties can reach up to $1,000 per misclassified employee, plus 100% of unpaid FICA taxes and up to 40% in back withholding taxes.

Key Statistic: According to employment law data, misclassification investigations by the Department of Labor have resulted in settlements exceeding $40 million in recent years, with individual companies owing millions in back wages and damages.

How Federal Law Defines Work Hours

The FLSA: The Overtime Threshold

The Fair Labor Standards Act treats part-time and full-time employees identically regarding wages and overtime. The law contains one critical threshold: 40 hours per week. Any non-exempt employee (including part-time workers) who exceeds this threshold must receive overtime pay at a rate of at least 1.5 times their regular hourly wage.

This applies regardless of how the employee is classified. A part-time employee who works 45 hours in one week has earned 5 hours of overtime, even if their usual schedule is 20 hours per week. The employer cannot use the employee’s part-time status to avoid paying overtime.

The FLSA also requires employers to maintain accurate records of hours worked for all employees, including part-timers. This documentation becomes critical if a wage dispute arises or if the Department of Labor audits your payroll.

The ACA: The Benefits Threshold

The Affordable Care Act creates a separate and higher threshold than the FLSA. Under the ACA, employers with 50 or more full-time equivalent (FTE) employees—called “Applicable Large Employers” or ALEs—must provide health insurance to employees averaging 30 or more hours per week or 130 or more hours per month.

This threshold can transform a part-time employee into a full-time one for benefits purposes. A part-time employee working 30 hours per week, every week, triggers the employer’s obligation to offer health insurance within 90 days of hire or face penalties. The employer cannot simply label the employee as part-time to avoid this requirement.

Additionally, when calculating whether your business is an ALE, you must include full-time equivalent (FTE) calculations. To calculate FTEs, you add the hours worked by all part-time employees in a month, cap each employee’s hours at 120, divide the total by 120, and add that figure to your count of actual full-time employees. If the total reaches 50, you must comply with ACA rules.

Example: A company has 40 full-time employees and 30 part-time employees who each work 60 hours per month.

• Full-time employees: 40
• Part-time total hours: 30 employees × 60 hours = 1,800 hours
• FTE from part-time: 1,800 ÷ 120 = 15 FTEs
• Total FTEs: 40 + 15 = 55

This employer is an ALE and must offer health insurance to all employees averaging 30+ hours per week.

The FMLA: The Leave Threshold

The Family and Medical Leave Act (FMLA) sets yet another threshold: 1,250 hours in the past 12 months. This equals approximately 24 hours per week worked consistently throughout the year. To qualify for FMLA leave, an employee must work for an employer with 50 or more employees, have been employed for at least 12 months, and have worked at least 1,250 hours in the prior 12 months.

Unlike the ACA threshold, FMLA applies equally to part-time and full-time workers. A part-time employee working 25 hours per week for 50 weeks accumulates 1,250 hours and qualifies for FMLA protection. However, if a part-time employee works only 15 hours per week, they would not meet the threshold even after 12 months of employment.

The critical point: only hours actually worked count toward the 1,250-hour requirement. Paid time off, vacation, and sick leave do not count toward FMLA eligibility.

Overtime Pay: When Part-Time Employees Earn Time-and-a-Half

How Overtime Works for Part-Time Employees

Part-time employees are entitled to overtime pay if they work more than 40 hours in a single workweek and are classified as non-exempt. Being part-time does not exempt an employee from overtime laws. The Fair Labor Standards Act applies the same overtime rules to all workers.

Here is how overtime pay is calculated. Take the employee’s regular hourly rate, multiply it by 1.5, and multiply that result by the number of overtime hours worked. For a part-time employee earning $15 per hour who works 45 hours in one week, the calculation is as follows:

• Regular pay: 40 hours × $15 = $600
• Overtime rate: $15 × 1.5 = $22.50 per hour
• Overtime pay: 5 hours × $22.50 = $112.50
• Total pay for the week: $600 + $112.50 = $712.50

The law does not allow employers to average overtime across multiple weeks. If an employee works 50 hours one week and 30 hours the next, they are owed 10 hours of overtime for the first week, even if their average across two weeks is 40 hours.

Exempt vs. Non-Exempt Part-Time Employees

Not all part-time employees are entitled to overtime. Employees classified as exempt under the FLSA do not qualify for overtime pay, regardless of how many hours they work. To be exempt, an employee must meet three tests: they must be paid on a salary basis, they must receive a minimum weekly salary, and their job duties must meet specific criteria.

Here is the critical rule for part-time exempt employees: the minimum salary requirement cannot be prorated. As of July 1, 2024, the federal minimum is $844 per week ($43,888 per year), and as of January 1, 2025, it increases to $1,128 per week ($58,656 per year).

A part-time employee working only 20 hours per week must still be paid at least $844 per week to qualify as exempt. An employer cannot pay a part-time exempt employee $422 per week just because they work half the hours. If an employer pays less than the minimum, the employee must be classified as non-exempt and is entitled to overtime for any hours beyond 40 per week.

For example, a company hires an exempt employee to work 20 hours per week as a manager. The employee is promised a yearly salary of $30,000 ($577 per week). Because this is below the $844 minimum, the employer must reclassify the employee as non-exempt. If that employee works 45 hours in a week, the company owes overtime pay.

Benefits and Legal Obligations When Part-Time Employees Work Full-Time Hours

Health Insurance and the ACA

The Affordable Care Act is the most complex benefits law affecting part-time employees. If your business employs 50 or more full-time equivalent employees, you must offer health insurance to employees averaging 30 or more hours per week or 130 or more hours per month. Failure to do so triggers penalties.

The timeline for offering coverage depends on how you classify the employee when hired. For a new hire reasonably expected to work 30+ hours per week, you must offer coverage within 90 days of their start date. For variable-hour employees (those whose hours are unpredictable), you can use a “look-back measurement period” of three to 12 months to determine if they have averaged 30+ hours. If they have, you must offer coverage in the following “stability period.”

If a part-time employee’s hours increase to 30 or more per week during a measurement period, you must offer coverage even if their hours then drop below 30 in later months (if they are in a stability period).

Penalties for non-compliance are substantial. If you fail to offer coverage to 95% or more of full-time employees, the penalty is $2,500 per year for every employee. If you meet the 95% threshold but exclude certain workers, the penalty rises to $3,750 per year per employee.

Paid Sick Leave: State-Specific Requirements

Paid sick leave laws vary dramatically by state, and part-time employees often qualify for the same protections as full-time workers.

California requires employers to provide paid sick leave to employees who work at least 30 days per year for the same employer, including part-time employees. The law requires 1 hour of paid sick leave for every 30 hours worked, with a minimum of 40 hours (five days) per year. Part-time employees accrue sick leave at the same rate as full-time employees.

New York requires employers with 100 or more employees to provide up to 56 hours of paid sick leave per year. For employers with fewer than 100 employees, requirements are less stringent. Part-time employees are covered if they meet the accrual criteria.

Many other states require paid sick leave on a pro-rata basis, meaning part-time employees earn sick time at the same hourly rate as full-time employees. The key is that part-time employees in most states do not receive a lower accrual rate simply because they work fewer hours overall.

Workers’ Compensation

Good news for part-time employees: workers’ compensation insurance covers part-time workers in virtually all states. If an employee is classified as a W-2 employee (meaning taxes are withheld and a W-2 form is issued), they are covered by your workers’ compensation insurance from day one of employment, regardless of hours worked.

The only employees not covered are independent contractors, volunteers, and specific categories like domestic workers or railroad employees covered by federal programs. Part-time status itself does not disqualify anyone.

When a part-time employee is injured, their wage replacement benefit is calculated based on their average earnings. If they typically earn $300 per week, their workers’ compensation benefits will be based on that amount, not the full-time wage standard. However, if a part-time employee works more hours due to temporary needs and then is injured, their benefits may be calculated on the higher average if those higher hours reflect a pattern of work.

FMLA Leave

The Family and Medical Leave Act protects part-time employees equally with full-time workers, but only if they meet three eligibility requirements. First, they must work for an employer with 50 or more employees. Second, they must have worked there for at least 12 months. Third, they must have worked at least 1,250 hours in the prior 12 months.

For a part-time employee working 24 hours per week, reaching 1,250 hours requires approximately 52 weeks of consistent work. For an employee working 20 hours per week, it takes longer. The critical point is that the requirement is based on actual hours worked, and only hours actually worked count. Paid vacation, paid sick leave, and paid holidays do not count toward the 1,250-hour threshold.

Once an eligible part-time employee takes FMLA leave, they are entitled to the same protections as full-time employees: up to 12 weeks of unpaid, job-protected leave per year for qualifying reasons (illness, family care, military family leave, etc.), and continued health insurance benefits during leave.

401(k) Retirement Plans and the SECURE Act

As of January 1, 2024, the SECURE Act (Secure Act 1.0) requires employers offering 401(k) plans to allow part-time employees to participate if they have worked at least 500 hours in each of three consecutive years (or two years beginning January 1, 2025, under SECURE 2.0).

Previously, employers could exclude part-time employees who worked fewer than 1,000 hours per year. Under the new rules, a part-time employee working 25 hours per week for three consecutive years (roughly 1,300 hours per year) qualifies for 401(k) access. The employer is not required to match contributions, but the employee must be allowed to make salary deferrals.

The rule applies to service dating back to January 1, 2021. If an employee met the criteria between 2021 and 2023, they were already eligible as of 2024.

Real-World Scenarios: When Part-Time Becomes Full-Time

Scenario 1: The Retail Manager Working Full-Time Hours

Maria is hired as a part-time retail manager at a clothing store chain. Her job posting and employment agreement state “part-time, approximately 20 hours per week.” However, due to staffing shortages, Maria consistently works 35 to 40 hours per week for three months.

The Legal Problem: After three months of averaging 33 hours per week, Maria has crossed the ACA threshold of 30 hours per week. If the employer has 50+ full-time equivalent employees, the employer must offer health insurance within 90 days of Maria reaching the 30-hour average. Failure to do so triggers ACA penalties.

Additionally, if Maria’s position is classified as non-exempt (which it likely is), any week she works more than 40 hours entitles her to overtime pay. If she worked 42 hours in one week, she is owed 2 hours of overtime at time-and-a-half.

The Solution: The employer should either (1) officially reclassify Maria as full-time and offer health insurance, (2) limit her hours to below 30 per week and below 40 in any single week, or (3) offer health insurance voluntarily to avoid the appearance of intentional avoidance.

Scenario 2: The Part-Time Software Developer with Exempt Status

James is hired as a part-time exempt software developer at a tech company. His employment agreement promises $35,000 per year, and his expected schedule is 25 hours per week. The employer prorated his weekly salary to $365 (half of a $730 full-time weekly rate).

The Legal Problem: Part-time exempt employees cannot have their salary prorated. The current federal minimum is $844 per week ($43,888 per year). By paying James only $365 per week, the employer has failed to meet the minimum salary threshold. James must be reclassified as non-exempt.

As a non-exempt employee, if James works 45 hours in a week, he is entitled to overtime. If the employer required him to work those hours without paying overtime, the employer owes back wages plus penalties.

The Solution: The employer can raise James’s weekly salary to at least $844 ($43,888 per year) to maintain exempt status, OR reclassify him as non-exempt and pay overtime for any hours beyond 40 per week. Paying below the minimum to justify a part-time classification is not legally permissible.

Scenario 3: The Variable-Hour Cashier Crossing the Benefits Threshold

Sofia is hired as a part-time cashier with a variable schedule. In January, she works 10 hours per week. In February, she works 15 hours per week. In March, her hours increase to 28 hours per week. By June, she has been averaging 32 hours per week for the prior three months.

The Legal Problem: Sofia has crossed into full-time status under the ACA. If the employer uses a monthly measurement method, once Sofia’s average exceeds 30 hours in any given month, she qualifies as full-time for health insurance purposes. If the employer uses a look-back measurement period, Sofia must be offered coverage beginning the month after the measurement period shows she averaged 30+ hours.

Once coverage is offered, Sofia must be kept on a “stability period” (typically matching her measurement period length) during which she receives benefits even if her hours later drop below 30 per week.

The Solution: The employer must track Sofia’s hours using a consistent measurement method (monthly or look-back), offer health insurance once she averages 30+ hours, and honor the stability period even if her hours later decrease.

Common Mistakes to Avoid

Mistake 1: Assuming Part-Time Status Exempts You from Overtime Pay

Many employers believe that because an employee is classified as part-time, they do not owe overtime. This is incorrect. The Fair Labor Standards Act makes no distinction based on classification. Any non-exempt employee who works more than 40 hours in a workweek must be paid overtime, regardless of whether they are labeled part-time, full-time, temporary, or seasonal.

Consequence: Back wages for all overtime not paid, plus liquidated damages equal to the amount owed, plus attorney fees. For an employee working years without overtime pay, this can result in tens of thousands of dollars in liability.

Mistake 2: Not Tracking Hours Accurately for Part-Time Employees

Some employers maintain less rigorous timekeeping for part-time workers than full-time employees. This creates a legal nightmare if a wage dispute arises. The Fair Labor Standards Act requires employers to maintain accurate records of hours worked for all employees. Failure to do so shifts the burden to the employer to prove what hours were worked.

Consequence: In wage disputes, courts and the Department of Labor assume the employee’s account of hours worked if the employer’s records are inadequate. This often results in judgment against the employer.

Mistake 3: Failing to Reclassify Employees Who Consistently Work Full-Time Hours

An employer hires a part-time employee but, due to business needs, the employee works full-time hours indefinitely. The employer never reclassifies the employee or updates their benefits. Over time, the employee is entitled to health insurance (under the ACA), possibly FMLA protection, retirement plan access, and paid sick leave—benefits the employer never provided.

Consequence: The Department of Labor or the employee can demand back benefits, back pay, and penalties. If the misclassification was intentional, criminal charges are possible.

Mistake 4: Prorating Exempt Salary for Part-Time Work

An employer hires a part-time exempt professional and prorates their salary based on hours worked. For example, a part-time attorney working 20 hours per week at a firm paying $100,000 for full-time work receives $50,000 annually (half the salary). This violates the FLSA because the minimum salary requirement cannot be prorated.

Consequence: The employee must be reclassified as non-exempt and is entitled to overtime for any week exceeding 40 hours. Back wages for overtime not paid are owed plus penalties.

Mistake 5: Miscalculating FTE for ACA Compliance

An employer with 40 full-time employees and 50 part-time employees working 50 hours per month each fails to calculate FTEs correctly. They assume the part-time employees do not count toward the ALE threshold because each individually works fewer than 30 hours per week.

Calculation: 50 part-time employees × 50 hours per month = 2,500 hours. 2,500 ÷ 120 = 20.83 FTEs. Total: 40 + 20.83 = 60.83 FTEs. The employer IS an ALE and must offer health insurance.

Consequence: ACA penalties of $2,500-$3,750 per employee per year for failure to offer coverage.

Do’s and Don’ts for Managing Part-Time Employees Working Full-Time Hours

Do’s

Do track all hours worked meticulously for every employee, regardless of classification. Use a time clock, timekeeping software, or a documented system. Federal law requires this, and accurate records are your strongest defense in wage disputes.

Do review and update employee classifications regularly based on actual hours worked, not job titles. If a part-time employee consistently works 30+ hours per week or exceeds 40 hours in multiple weeks, adjust their classification and benefits accordingly.

Do pay minimum salary requirements without prorating for exempt employees. If an exempt part-time employee’s hours increase such that the hourly rate equivalent falls below the FLSA minimum, reclassify them as non-exempt rather than trying to prorate.

Do calculate Full-Time Equivalents correctly if you have 50+ employees. Use the ACA formula: sum part-time hours per month (capped at 120 per employee), divide by 120, and add to full-time count. Recalculate monthly to identify when you cross the ALE threshold.

Do offer benefits within required timeframes. Once a part-time employee averages 30+ hours per week, offer health insurance within 90 days if you are an ALE. Once an employee meets the 500-hour 401(k) requirement under the SECURE Act, allow participation beginning the next plan year.

Do pay overtime for all hours over 40 in a workweek for non-exempt employees, including part-timers. Calculate overtime as regular rate × 1.5 × overtime hours. Include overtime in payroll records and wage statements.

Don’ts

Don’t assume part-time status exempts employees from overtime. The FLSA applies the same rules to part-time and full-time workers. Over 40 hours = overtime pay, period.

Don’t prorate exempt salary for part-time work, even if the employee works half-time. An exempt part-time employee must still receive at least the weekly minimum ($844 per week as of July 1, 2024).

Don’t classify employees based on internal labels alone. If a “part-time” employee works 35 hours per week consistently, they are a full-time employee under the ACA regardless of their job title. Update their official classification.

Don’t avoid offering benefits by keeping hours just below 30 per week. If an employee’s hours consistently trend toward 30+, they will eventually cross the threshold. Courts view intentional hour manipulation as a red flag for misclassification.

Don’t rely on verbal agreements about hours worked. Document everything in writing—employment agreements, schedules, and timekeeping records. If a dispute arises, written records protect you.

Don’t mix up different federal definitions. The FLSA, ACA, FMLA, and SECURE Act all use different hour thresholds. Know which law applies to which obligation.

Don’t ignore state laws that are stricter than federal requirements. Many states require paid sick leave, paid family leave, or higher minimum wages. If state law provides more protection than federal law, follow the state standard.

Pros and Cons: Hiring Part-Time Employees vs. Full-Time Employees

Pros of Part-Time Employees

Lower direct labor costs. Part-time employees typically earn hourly wages without paid time off or benefits (unless hours increase). This reduces per-employee expense compared to full-time staff.

Flexibility in scheduling. Part-time employees allow you to adjust staffing levels based on business fluctuations. During slow periods, reduce hours; during busy periods, increase them.

Reduced benefit obligations when hours stay below thresholds. If part-time employees work consistently below 30 hours per week, you avoid ACA health insurance obligations, reducing overhead.

Ability to test employees before full-time hire. Hiring someone part-time allows you to evaluate their performance before offering a full-time position.

Access to broader labor pool. Some people prefer part-time work (students, retirees, second-job seekers), expanding your recruitment options.

Cons of Part-Time Employees

Complex compliance requirements. Tracking hours, calculating FTEs, and managing benefits eligibility for part-time employees creates administrative burden and legal risk. One mistake can trigger penalties.

Risk of unintentional reclassification. If business needs push a part-time employee into 30+ hours per week, you suddenly must offer benefits or face penalties. This unexpected cost can surprise employers.

Higher turnover and training costs. Part-time employees often have lower loyalty and higher turnover than full-time staff. Frequent turnover means constant recruitment and training expenses.

Potential overtime liability. If a part-time employee works 40+ hours in a week, overtime pay is owed. If you are unprepared for this obligation, it strains payroll budgets.

Wage and hour litigation risk. Misclassification or overtime violations disproportionately affect part-time workers, and collective lawsuits in this area are common. One calculation error can expose you to class-action liability.

Lower engagement and productivity. Part-time employees may feel less invested in company success and provide lower productivity than committed full-time staff. This can impact customer service and quality.

Key Laws and Entities You Must Know

Fair Labor Standards Act (FLSA)

The Fair Labor Standards Act is the federal wage and hour law enforced by the Department of Labor. It sets the federal minimum wage ($7.25 per hour), requires overtime pay at 1.5 times the regular rate for hours over 40 per week, and mandates record-keeping. The FLSA applies to all private-sector employers except those with extremely limited interstate commerce, plus most government employers.

The Affordable Care Act (ACA)

The Affordable Care Act requires Applicable Large Employers (50+ full-time equivalent employees) to offer health insurance to employees working 30+ hours per week or 130+ hours per month. Failure to do so results in penalties of $2,500-$3,750 per employee per year. The law is enforced by the Internal Revenue Service.

The Family and Medical Leave Act (FMLA)

The Family and Medical Leave Act allows eligible employees to take up to 12 weeks of unpaid, job-protected leave per year for family illness, personal illness, military family leave, and other qualifying reasons. To qualify, employees must work for an employer with 50+ employees, have been employed for 12+ months, and have worked 1,250+ hours in the prior 12 months. The Department of Labor enforces FMLA.

The SECURE Act (Secure Retirement Accounts Establishment)

The SECURE Act, passed in 2019, requires employers offering 401(k) plans to allow part-time employees who have worked 500+ hours in three consecutive years (two years under SECURE 2.0) to participate. This expands retirement savings access to long-term part-time workers.

Equal Employment Opportunity Commission (EEOC)

The Equal Employment Opportunity Commission (EEOC) enforces federal anti-discrimination laws, including Title VII of the Civil Rights Act, the Age Discrimination in Employment Act (ADEA), and the Americans with Disabilities Act (ADA). These laws protect both part-time and full-time employees from discrimination based on race, color, religion, sex, national origin, age (40+), and disability.

The Department of Labor (DOL)

The Department of Labor investigates wage and hour violations, including overtime disputes, minimum wage violations, and misclassification. The DOL has authority to assess penalties, require back pay, and bring criminal charges for intentional violations.

Frequently Asked Questions

Q: Can I legally pay a part-time employee less than minimum wage if they work fewer hours?

A: No. The federal minimum wage of $7.25 per hour applies to all non-exempt employees, regardless of hours worked. Many states set higher minimum wages. Part-time employees must be paid at least minimum wage for every hour worked.

Q: If a part-time employee works 45 hours in one week but 35 hours the next week, do I owe overtime?

A: Yes. The FLSA measures overtime on a weekly basis, not across multiple weeks. The week with 45 hours triggers 5 hours of overtime pay at 1.5× the regular rate. The next week’s 35 hours does not offset this; it is a separate workweek.

Q: When must a part-time employee be offered health insurance under the ACA?

A: If you are an Applicable Large Employer (50+ FTEs) and a part-time employee averages 30+ hours per week or 130+ hours per month, you must offer coverage. Use either a monthly measurement or a look-back measurement period (3-12 months). Once you determine they qualify, coverage must be offered within 90 days.

Q: Can I require a part-time employee to work full-time hours without reclassifying them?

A: Legally, no. Once a part-time employee regularly works 30+ hours per week or exceeds 40 hours in a single workweek, they are entitled to full-time benefits (under the ACA) and overtime (under the FLSA) regardless of their job title. Intentionally keeping them classified as part-time while assigning full-time work is misclassification and creates liability.

Q: Do part-time employees qualify for workers’ compensation?

A: Yes. Workers’ compensation covers part-time employees in virtually all states. If an employee is a W-2 employee (taxes withheld, W-2 form issued), they are covered from day one of employment, regardless of hours worked.

Q: How do I calculate my company’s FTE count for ACA purposes?

A: Count employees working 30+ hours per week as 1.0 FTE each. For part-time employees, sum their monthly hours (capped at 120 per employee), divide by 120, and add that number to your full-time count. If the total is 50+, you are an ALE and must comply with ACA rules.

Q: What happens if I fail to pay overtime to a part-time employee?

A: The Department of Labor can assess penalties up to $1,000 per violation, plus you must pay back wages plus liquidated damages equal to the unpaid overtime, plus attorney fees. If the violation was intentional, criminal charges are possible. Class-action lawsuits are also common in overtime misclassification cases.

Q: Can I have a part-time employee classified as exempt to avoid overtime pay?

A: Only if they meet all three requirements: they are paid on a salary basis, they receive at least the federal minimum weekly salary (currently $844/week as of July 1, 2024), and their job duties meet the executive, administrative, or professional test. The minimum salary cannot be prorated, so a part-time exempt employee must still earn $844/week even if working 20 hours.

Q: Must I provide paid sick leave to part-time employees?

A: It depends on your state. California requires paid sick leave for part-time employees working 30+ days per year. Many other states have similar requirements. Federal law does not require paid sick leave, but state laws often do. Check your state’s requirements.

Q: Can a part-time employee qualify for FMLA protection?

A: Yes, if they meet three requirements: the employer has 50+ employees, they have worked there 12+ months, and they have worked 1,250+ hours in the prior 12 months (roughly 24 hours per week). Once eligible, they are entitled to up to 12 weeks of unpaid, job-protected leave per year.

Q: When does a part-time employee become eligible for the company 401(k) plan under the SECURE Act?

A: If they have worked 500+ hours in each of three consecutive years (or two years under SECURE 2.0), they must be allowed to participate beginning the next plan year. Service dating back to January 1, 2021, counts. The employer is not required to match contributions.

Q: What should I do if I realize I have been misclassifying part-time employees?

A: Consult an employment law attorney immediately. You may be able to correct the classification prospectively (going forward) while negotiating with affected employees about back pay. Voluntary correction is often less expensive than waiting for the Department of Labor to investigate. Do not attempt to hide the error or retaliate against employees who raise it.