1099-NEC Filing: From W-9 Collection to E-File

A Form W-9 gives you the contractor's legal name, entity type, and taxpayer identification number, and you should collect it before you make the first payment, not when you sit down to file 1099s the following January. Waiting until year-end to chase down W-9s from a dozen contractors is how filing season turns into a scramble, and it's also how you end up paying someone without a valid TIN on file, which is exactly the situation backup withholding exists to cover. Build the request into your vendor onboarding form itself, so accounts payable can't cut a first check without a completed W-9 attached to the vendor record, rather than relying on someone remembering to ask for it separately.

If a contractor refuses to provide a taxpayer identification number, or the IRS notifies you that a TIN doesn't match the name on file after you've filed, you're required to backup withhold at a flat rate of twenty four percent on future payments to that contractor until the mismatch is resolved. This isn't optional or a judgment call: it's a payer obligation, and skipping it because a contractor is a repeat vendor you trust doesn't change the requirement. Running a TIN match against the IRS database before you pay, rather than after you file, is the difference between catching this early and finding out about it during a penalty notice.

Generally, any unincorporated contractor, freelancer, or business you pay $2,000 or more in a calendar year for services (for payments made after 2025; the threshold was $600 before then, and it's indexed for inflation in later years) gets a 1099-NEC, with corporations typically excluded from the requirement, though payments to law firms for legal services get a 1099 regardless of corporate structure. Rent, and a handful of other payment types, still go on a 1099-MISC instead. Getting the entity type right at the W-9 stage is what makes this sorting step fast in January instead of a research project.

The IRS lowered its aggregate e-filing threshold to ten total information returns, counting across all form types you file, not just 1099-NECs on their own. That means a business filing eight 1099-NECs and three W-2s, eleven forms combined, has to e-file all of them, even though eight alone would have been under the old paper threshold that used to apply per form type. In practice, this pulls many businesses that pay several contractors into mandatory e-filing, whether through the IRS's own free system or a commercial filing service, some of which also offer W-9 collection and TIN matching in the same workflow.

Form 1099-NEC is due to both the recipient and the IRS by January thirty first, with no automatic extension built in the way some other 1099 types get for the IRS copy. Build your December close process around having every contractor's W-9 validated and every payment total reconciled well before that date, not in the final days of January, since a TIN mismatch discovered on the thirtieth doesn't leave time to fix it before the deadline. If a contractor's address or legal name changed mid-year and nobody updated the W-9, that's the kind of small gap that turns into a returned form and a late corrected filing, so a quick vendor-file review in early December catches it while there's still time to fix it quietly.

Follow this sequence each year to file on time:

1. Collect a completed W-9 from every contractor during vendor onboarding, before the first payment goes out.
2. Apply backup withholding at the flat rate on future payments if a contractor won't provide a TIN or the IRS reports a mismatch.
3. Total each contractor's payments for the calendar year and reconcile them during your December close, checking which payees actually need a form.
4. Validate every TIN well before the filing date, so a mismatch surfaces before the deadline instead of on it.
5. E-file the forms and deliver recipient copies by January thirty first, since there's no automatic extension built into that date.