1099s & W-2s Are Due January 31st! Employers and businesses are required to issue year-end tax forms to recipients and file them with the IRS and Social Security Administration by January 31 to avoid penalties. 1099 Filing Requirements File Form 1099-NEC or 1099-MISC for any non-employee paid $600 or more during the year. Due Date: January 31 (to both recipient and IRS) Penalties for late filing (per form): $60 — If filed within 30 days after the due date $130 â€...More