When it the last day to mail out 1099?

The last day to mail out 1099 forms to recipients is typically January 31 of the year following the tax year being reported. For example, for the 2023 tax year, the forms must be sent by January 31, 2024. However, if you're filing electronically, the deadline may extend to March 31. Always check the IRS guidelines for any updates or changes to these deadlines.