Table of Contents

1099 E-Filing: Massachusetts

Nina Tchistiakova Updated by Nina Tchistiakova

Due date

January 31 for 1099-NEC, All other Forms March 31

E-filing threshold

Must E-file if 50 or more

Filing options

Electronic filing

Forms to file

State requires W-2G and 1099's

Required file name

Any name with “.txt” at the end. 

E-filing website  

Submitting files

Payroll System does not support Form INT for financial Institutions that issue Bonds or Mutual fund.

Transmitters with files greater than the allowed bandwidth must register to use Bulk File Portal

Bulk File registration

Extension requests must be made in writing or faxed to 617-887-5525, accompanied by the Federal Form 8809 by the due date of the 1099.

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