M-9325: Electronic Filing Information Handout (2025)
Massachusetts · Massachusetts DOR · Used for tax years 2025
Form M-9325 is an information handout for the Massachusetts Department of Revenue's Electronic Filing Program. It records who electronically filed your 2025 state tax return and when MDOR accepted it, and provides guidance on keeping records, correcting your return, refunds and p
When it's due
For tax year 2025, any balance due on your electronically filed return must be paid on or before April 15, 2026.
If MDOR does not receive your payment by April 15, 2026, it will send a Notice of Assessment showing your tax due, plus any interest and penalty assessments for late payment.
What you'll need
Keep the paper copies of your return, schedules and supporting documentation for your records. Do not send these documents to MDOR.
How to file
Form M-9325 is an information handout for the MDOR Electronic Filing Program. It has spaces to identify who is electronically filing your tax year 2025 state return and when MDOR accepted it.
Do not mail paper copies of your return, schedules or supporting documentation to MDOR. Keep them for your records.
To amend or correct an electronically filed return, visit www.mass.gov/dor/amend. Contact your paid preparer about filing the amendment electronically, or call the MDOR Customer Service Bureau at (617) 887-MDOR.
Common mistakes
- Sending paper copies after e-filing: The handout says not to send your return, schedules or supporting documentation to MDOR. They are for your records.
- Missing the payment deadline: For tax year 2025, pay your balance due on or before April 15, 2026. If payment is not received by that date, MDOR will send a Notice of Assessment showing tax due and any late-payment interest and penalties.
Questions people ask
Should I mail paper copies of my electronically filed return?
No. Keep your return, schedules and supporting documentation for your records. Do not send them to MDOR.
How do I correct a return I filed electronically?
Visit www.mass.gov/dor/amend. Contact your paid preparer about filing the amendment electronically, or call the MDOR Customer Service Bureau at (617) 887-MDOR.
When should I contact MDOR about my refund check?
MDOR says it will mail your refund check after processing your return. If you have not received it within 21 days from the date you filed, call the MDOR Customer Service Bureau at (617) 887-MDOR.
What happens if my balance-due payment is late?
For tax year 2025, if MDOR does not receive your payment by April 15, 2026, it will send a Notice of Assessment. The notice will show your tax due, plus any interest and penalty assessments for late payment.