Independent Contractor Agreement Explained
Contractor agreements look simple and aren't. The same document defines the scope of work, protects your IP, and determines whether the IRS treats the worker as a contractor or an employee. This guide covers every piece.
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Table of Contents
1. Independent Contractor vs. Employee
The IRS uses three tests: behavioral control, financial control, and relationship type. The more control you exert over how the work is done, the more the worker looks like an employee. Misclassification can mean back taxes, penalties, and unpaid overtime.
California\'s AB 5 (ABC test), Massachusetts, New Jersey, and several other states are even stricter. If your work is performed in one of these states, apply the ABC test: (A) worker is free from control, (B) work is outside the usual course of your business, and (C) worker is customarily engaged in an independent trade.
2. Must-Have Clauses
- Scope of Work — attach a Statement of Work; be specific about deliverables and deadlines.
- Compensation — hourly, fixed, milestone-based; include invoice and payment terms.
- Independent Contractor Status — explicit statement that the worker is not an employee, agent, or partner, and controls how the work is done.
- Taxes and Benefits — worker is responsible for all taxes; not eligible for benefits.
- Expenses — reimbursed or absorbed, with caps.
- IP Ownership — work-made-for-hire plus a backup assignment.
- Confidentiality or separate NDA.
- Indemnification and insurance requirements.
- Termination — for cause and for convenience with notice.
- Governing law and dispute resolution (arbitration or venue).
- Non-solicit (optional and state-limited).
3. IP Ownership Done Right
Under US copyright law, the default rule is that the contractor — not you — owns what they create, unless your written contract says otherwise. Include a two-part IP clause:
- Work made for hire — for categories that qualify (commissioned contributions to collective works, translations, compilations, etc.).
- Backup assignment — "to the extent the Work is not a work made for hire, Contractor irrevocably assigns all right, title, and interest in the Work to Client."
Without both, you might pay for code you don\'t own.
4. Payment Protection Both Ways
For the client: hold back 10–15% as a milestone or final payment tied to acceptance criteria. For the contractor: require a deposit (25–50%) before kickoff, invoice on milestones, and include an interest-on-late-payment clause (often 1.5% per month).
Send IRS Form W-9 before the first payment. Issue a 1099-NEC for any US contractor paid $600+ in a calendar year.
5. Frequently Asked Questions
Do I need a written contract with every contractor?+
Yes. Verbal arrangements are unenforceable over $500 in most states (Statute of Frauds) and make IP and tax classification much harder to defend.
Can a contractor be full-time?+
Yes, but the more full-time and the more control you exert, the higher the risk of misclassification. Set your contractor up on their own schedule, their own tools, and their own method of doing the work.
Should contractors sign an NDA separately?+
Either include confidentiality in the contractor agreement or use a separate NDA incorporated by reference. Both work; the separate NDA is cleaner.
What happens if I misclassify a worker?+
IRS back taxes (employer's share of FICA, unemployment tax), penalties, and interest. State agencies may add unemployment insurance and workers' comp premiums plus multipliers.
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