Table of Contents

1099 E-Filing: Maine

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31

If this day falls on a weekend or holiday, the filing deadline is the next business day.

Feb 28th W-3s are due - The W-3 is a reconciliation of the W2s and 1099s

E-filing threshold

Must E-file if 10 or more

Filing options

Electronic filing

Forms to file

State requires W-2G, 1099-B, 1099-DIV, 1099-INT, 1099-MISC, 1099-NEC, 1099-PATR, and 1099-R

Required file name

Any name with “.txt” at the end.

E-filing website


207-624-7661 Option 4

Monday – Friday 9:00 AM to 12:00 PM


Submitting files

Files must be submitted electronically via the Maine Tax Portal: MEP | MTP - Maine Revenue Services. If the files do not pass validation, the Maine Tax Portal will provide the reason and location of the errors.

Effective October 10, 2023, corrected 1099s will be available for filing manually via the Maine Tax Portal.
Maine accepts Prior Year Filing electronically.

How did we do?