New Hire Paperwork for Small Businesses: What's Required and in What Order

Key takeaway

Small business owners making their first hire are often surprised by how much paperwork is involved before the new employee can start. This guide covers every required form, the deadlines for each, and what happens if you get it wrong.

Making your first hire as a small business involves more paperwork than most owners expect — and more deadlines than a single payroll run allows. Get the I-9 wrong and you're exposed to DHS fines. Miss the new hire reporting deadline and your state unemployment agency may assess penalties. Skip the W-4 and your payroll won't withhold the right amount, creating a year-end problem for the employee and a compliance issue for you. This guide covers every required document, the legal deadline for each, and what happens when something is missed.

Required documents — in order of deadline

Form I-9 (immediately — no exceptions)

The I-9 is the most time-sensitive new hire document. Section 1 must be completed by the employee on or before their first day of employment. Section 2 must be completed by you (or your authorized representative) within three business days of the start date. You must physically examine the identity and work authorization documents — copies or photos are not sufficient.

The employee chooses which documents to present from List A (documents that establish both identity and work authorization, like a US passport) or a combination of one List B document (identity, like a driver's license) and one List C document (work authorization, like a Social Security card). You cannot specify which documents to accept.

Federal W-4 (before first payroll)

The W-4 tells you how much federal income tax to withhold from each paycheck. The employee completes it; you submit the withholding instructions to your payroll system. There is no legal deadline separate from 'before you run the first payroll,' but collecting it at the same time as the I-9 (on or before Day 1) is best practice. If an employee doesn't submit a W-4, withhold at the default rate (single, no adjustments).

State tax withholding form (before first payroll)

Most states have their own withholding form equivalent to the W-4. California has the DE 4, New York has the IT-2104, Illinois has the IL-W-4. Some states (Alaska, Florida, Nevada, South Dakota, Texas, Washington, Wyoming) have no state income tax and therefore no state withholding form. Find your state's form on the state tax agency website and collect it alongside the federal W-4.

New hire reporting (within 20 days of hire)

Federal law requires employers to report new hires to the state new hire reporting directory within 20 days of the hire date (some states have shorter windows). The report includes the employee's name, address, Social Security Number, and the employer's FEIN and contact information. Most states accept reports through their online portal or through payroll software. This information is used to match against child support orders — failure to report can result in state penalties of up to $25 per hire.

Direct deposit authorization (before first payroll)

Not legally required, but practically essential. Collect the employee's bank routing and account numbers before the first payroll run. Most payroll providers include a direct deposit authorization form. The alternative is issuing a paper check — which requires manual distribution and tracking.

Required notices and disclosures

  • FLSA workplace poster (Fair Labor Standards Act) — display in workplace or send digitally for remote employees
  • OSHA workplace poster — display or distribute
  • FMLA poster (if 50+ employees) — display or distribute
  • EEO poster (if 15+ employees) — display or distribute
  • State-required posters — vary by state; most states require minimum wage, anti-discrimination, and workers' comp posters
  • Workers' compensation carrier information — most states require you to notify new hires of your workers' comp carrier
  • State-specific notices: California requires written notice of employment terms (hire date, rate of pay, overtime status) via the Wage Theft Protection Act notice

Optional but recommended documents

Recordkeeping requirements

DocumentRetention requirementNotes
I-93 years from hire or 1 year post-termination (longer)DHS can audit on 3 days' notice
W-44 years after tax is due (IRS)Keep on file while employee is active
Payroll records3 years (FLSA)Hours, wages, deductions
New hire report copyUntil no longer employed + 1 yearState requirements vary
Personnel file7 years post-termination (general)State laws vary; some require longer

What is the penalty for missing the new hire reporting deadline?

Federal law allows states to impose penalties of up to $25 per new hire for late reporting. States with intentional failure provisions can assess up to $500. In practice, penalties for first-time violations are often waived, but repeat violations are penalized. The primary use of new hire data is child support matching — missing the report may delay matching, which creates liability separate from the reporting penalty.

Can we use DocuSign for all new hire paperwork?

Yes. E-signatures are legally valid for offer letters, NDAs, employee handbooks, and most employment agreements. However, the I-9 has specific requirements for electronic I-9 systems — not all DocuSign implementations are I-9 compliant. If using DocuSign for I-9, verify that the implementation includes an audit trail that meets DHS requirements for electronic I-9 systems.

What if a new hire can't provide I-9 documents on their first day?

Section 1 must be complete by Day 1. For Section 2, you have three business days. If a new hire genuinely cannot obtain documents within three days, consult employment counsel — there is no provision in the law for extensions, but the circumstances matter for how a violation would be assessed.