Maine Tax Portal File Upload Specifications & Instructions

NOTE:  Payments for Sales, Use, Service Provider, Income Tax Withholding, and Pass-Through Entity Withholding taxes should be made on the Maine Tax Portal ("MTP") at:  Payments for these tax types will no longer be allowable through Maine EZ Pay, as of May 31, 2023.

Maine Revenue Services does not accept magnetic media.

MTP Withholding Specifications

2024 MTP Quarterly Specifications (PDF)

2025 Draft MTP Quarterly Specifications (PDF)

2024 MTP Amended Quarterly Specifications (PDF)

2025 Draft MTP Amended Quarterly Specifications (PDF)

Sample File (.txt)

1099/W-2G File Upload Specifications

2023 1099/W-2G Specifications (PDF)


W-2 File Upload Specifications

2023 W-2 Specifications (PDF)

2024 Draft W-2 Specifications (PDF)


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