What form does an independent contractor give to a US client?

US-tax-resident contractors give Form W-9 with the ITIN in the SSN field. Non-resident contractors give Form W-8BEN with the ITIN in Box 6 and the treaty country in Box 9. Both forms must be on file before the client makes the first payment.

Does the client report ITIN earnings to the IRS?

Yes. US clients issue Form 1099-NEC at year-end to US-tax-resident contractors paid $600 or more during the year. The 1099-NEC lists the ITIN as the recipient tax ID. Non-resident contractors receive Form 1042-S instead, which reports the withheld amount under the treaty rate.

How does an ITIN contractor reduce withholding?

Submit Form W-8BEN with the ITIN and the treaty country to the client before the first payment. The client's payroll or AP system applies the treaty rate (typically 0-15%) instead of the default 30%. The W-8BEN must be renewed every 3 years.

Can an ITIN contractor invoice US clients in USD?

Yes. The ITIN allows the contractor to set up Stripe, PayPal, or Wise to receive USD invoices directly. The funds settle to a US bank account (Wise, Mercury, Capital One) without backup withholding once the tax ID is verified. See ITIN for freelancers for the broader walkthrough.

Updated June 25, 2026

ITIN for Independent Contractors: 1099 Tax Guide (2026)

Why Do Independent Contractors Need an ITIN?

US tax law requires every payer to collect a taxpayer identifier from independent contractors before making payment. Without a valid tax ID, the payer is required by IRS rules to apply 24% backup withholding (US residents) or 30% non-resident withholding. An ITIN satisfies both requirements and unlocks full payment with the correct withholding rate.

Which Form Does an Independent Contractor File: W-9 or W-8BEN?

Contractor Status	Form	Year-End Form
US tax resident with ITIN	W-9	1099-NEC
Non-resident in treaty country	W-8BEN (claim treaty)	1042-S
Non-resident, no treaty	W-8BEN (no treaty claim)	1042-S (30% withheld)

What Are the Steps to Set Up as an ITIN Independent Contractor?

Get the ITIN. File Form W-7 through a CAA.
Complete W-9 or W-8BEN. Match name to CP565 letter exactly.
Submit to each US client before the first payment.
Set up US payment receipt. Wise, Mercury, or a Capital One 360 account.
Invoice and get paid. Backup withholding does not apply once the W-9 or W-8BEN is on file.
File year-end taxes. Form 1040 (US residents) or 1040-NR (non-residents) reporting the 1099-NEC or 1042-S income.

What Tax Returns Does an ITIN Independent Contractor File?

US-tax-resident contractors file Form 1040 with Schedule C for self-employment income; the ITIN goes in the SSN field. Non- resident contractors file Form 1040-NR with Schedule NEC or Schedule SE depending on whether the income is effectively connected with a US trade or business. Both forms also self-assess US self-employment tax where applicable.

For broader tax-filing context, see the ITIN tax filing guide and ITIN for freelancers.

Frequently Asked Questions About ITIN for Independent Contractors

Independent contractors without an SSN who provide services to US clients need an ITIN to file Form W-9 (US tax residents) or W-8BEN (non-residents). Without a valid tax ID, the US payer applies 24% backup withholding or the default 30% non-resident withholding.

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