Enlarge image | 2020 Form M-9325 Massachusetts Electronic Filing Department of Revenue Information Handout Electronic Filing Program PO Box 7013, Boston, MA 02204 Thank you for participating in the Massachusetts Department of Revenue (MDOR) Electronic Filing Program. Your state tax return for tax year 2020 is being filed electronically with MDOR by _______________________________________. Your return was accepted by MDOR on ______________________________________. General Information Important Do not send the paper copies of your return, schedules and supporting documentation to MDOR, this information is for your records. If you need to amend your return If you need to amend or correct the return you filed electronically, go to www.mass.gov/dor/ amend. Please contact your paid preparer to inquire about filing this form electronically or the MDOR Customer Service Bureau at (617) 887-MDOR. If you are receiving a refund Your refund check will be mailed to you as soon as we have completed processing your return. If you have not received your check within 21 days from the date you filed, please contact the MDOR Customer Service Bureau at (617) 887-MDOR. If you owe a balance If your electronically filed return showed a balance due, you must pay the amount you owe on or before April 15, 2021. If your payment is not received by April 15, 2021, you will be sent a Notice of Assessment (NOA). This notice will show your tax due, plus any interest and penalty assessments for late payment. We appreciate your taking advantage of MDOR Electronic Filing. We are continuing to look for new methods and technologies to make filing your tax returns simple and easy. |