Last updated: November 2, 2026. This article is for general information only and is not tax, legal or HR advice. Employment rules depend on your state and your situation, so confirm details with the IRS (IRS.gov), your state labor agency or a qualified tax professional. This guide is not affiliated with the IRS or USCIS.
Holiday sales season is when many small shops, restaurants and online sellers add temporary staff. The good news is that seasonal workers are not a special tax category. The IRS says part-time and seasonal employees are subject to the same tax withholding rules as other employees. That means the paperwork you would do for a permanent hire applies here too, just on a tighter timeline.
The Short Answer: Your Seasonal Hiring Checklist
- Verify work eligibility with Form I-9 for every new hire.
- Collect each employee’s name and Social Security number (an ITIN is not accepted for work identification).
- Get a signed Form W-4 when work starts so withholding begins with the first paycheck.
- Withhold and pay payroll taxes as you would for any employee.
- File Form 941, and check the seasonal employer box if you only operate part of the year.
Step 1: Verify Work Eligibility With Form I-9
According to the IRS, employers must verify the identity and employment authorization of every person they hire in the United States. You do this with Form I-9, which is a USCIS form. It applies to citizens and noncitizens alike, and both the employee and the employer (or an authorized representative) complete it. Do not skip it for a worker who is only staying through December.
Step 2: Record the Social Security Number
The IRS says you are required to get each employee’s name and Social Security number and report it on Form W-2. If the employee does not have a card in hand, the Social Security Administration offers SSN verification. The IRS also states that you should not accept an Individual Taxpayer Identification Number (ITIN) in place of an SSN for employee identification or for work.
Step 3: Collect Form W-4
Get a signed Form W-4 from each new hire when they start work. Its effect should begin with the first paycheck. Two rules from the IRS are worth remembering:
- If a new employee does not give you a completed Form W-4, you must withhold tax as if the employee is single.
- If an employee gives you a replacement W-4, start withholding on it no later than the first payroll period ending on or after the 30th day after you receive it.
Step 4: Withhold and Pay Payroll Taxes (2026 Rates)
For 2026, IRS Publication 15 (Circular E) lists these figures:
| Item | 2026 figure |
|---|---|
| Social Security tax rate | 6.2% each for employer and employee |
| Social Security wage base limit | $184,500 |
| Medicare tax rate | 1.45% each for employer and employee, no wage base limit |
| Flat withholding rate on supplemental wages (such as bonuses) | 22% |
Most seasonal workers earn far below the Social Security wage base, so the 6.2% applies to all of their wages. If you plan to pay holiday bonuses, remember that the 22% flat rate is the standard withholding rate for supplemental wages, and a higher rate applies to supplemental wages above $1 million.
Step 5: File Form 941 (and Use the Seasonal Box if It Applies)
Employers generally report wages and taxes quarterly on Form 941. The IRS provides a special rule for seasonal employers: they do not have to file Form 941 for quarters in which they have no tax liability. To use it, you must check the “seasonal employer” box in part 3 of every Form 941 you file. The IRS typically does not ask about unfiled quarters if you file at least one taxable return each year with that box checked.
If you only hire seasonal help for a short period but run your business all year, you still file as normal for quarters when you paid wages.
Employee or Independent Contractor?
Some businesses are tempted to label holiday helpers as contractors to avoid payroll work. Do not make that decision on convenience. Classification depends on the actual working relationship, and the IRS publishes guidance on how to determine it. If you do properly pay someone as a contractor, note that Publication 15 states the Form 1099-NEC reporting threshold is $2,000 or more for payments made in 2026. Our guide to the new $2,000 Form 1099-NEC and 1099-MISC threshold covers deadlines and a year-end checklist.
Common Mistakes to Avoid
- Waiting to do paperwork until the rush starts. Prepare I-9 and W-4 packets before day one.
- Accepting an ITIN instead of an SSN for employee identification.
- Forgetting the seasonal employer box on Form 941.
- Treating a worker as a contractor because the job is short.
- Ignoring state rules. States have their own withholding, unemployment insurance and new-hire reporting requirements.
Plan Hiring Around Your Holiday Calendar
Seasonal staffing works best when it is planned alongside your marketing and sales calendar. Our Small Business Saturday 2026 marketing plan offers a 30-day countdown for local shops, and the holiday ecommerce forecast guide shows what to expect from online demand. If you are building your first payroll, our overview of legal requirements for starting a business in the U.S. and human resource management in small business are useful starting points.
Frequently Asked Questions
Do seasonal employees need a Form W-4?
Yes. The IRS applies the same withholding rules to part-time and seasonal employees as to other employees, so each should complete a Form W-4 when work starts.
Do I need Form I-9 for a temporary holiday worker?
Yes. Employers must verify identity and work authorization for every person hired in the U.S., regardless of how long the job lasts.
Do I have to file Form 941 for quarters when I have no employees?
Seasonal employers do not have to file Form 941 for quarters in which they have no tax liability, but they must check the seasonal employer box on every Form 941 they file.
What happens if a new hire does not give me a W-4?
The IRS says to withhold tax as if the employee is single.
Bottom Line
Seasonal hiring follows the same rules as any other hiring: verify eligibility, collect the SSN and W-4, withhold correctly and file on time. Set up the paperwork before your busiest week and you can focus on customers instead of corrections.
Sources: IRS, “Hiring employees”; IRS, “Part time or seasonal help”; IRS Publication 15 (Circular E), Employer’s Tax Guide, 2026. Rules and amounts can change, so confirm with the IRS before filing.
