Form 129 must be filled out in its entirety and submitted any one of two ways: In person with valid photo identification to any office of the Comptroller of Maryland.
Power of attorney: If you have a valid Maryland Power of Attorney (Form 548) on file, it is not necessary to complete and submit a Form 129.
By mail: Send the original Form 129 signed by the taxpayer and notarized.
Notary: Form 129 does not need to be notarized if the address in Line 2 is the same as the address in Line 1.
Deceased taxpayers: A personal representative of the estate may sign Form 129 when requesting a copy of a tax return for the deceased taxpayer.
| Question | Answer |
|---|---|
| Form Name | Maryland Form 129 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 22 |
| Avg. time to fill out | 4 min |
| Edition | COM/RAD-029 09/25 |
| Where to send | Comptroller of Maryland Revenue Administration Division Central Files 110 Carroll Street Annapolis, MD 21411-0001 |
| Matches the agency's file | Yes, checked October 4, 2026 |
| Other names | 129, Form 129, Maryland Form 129, Request for Copy of Tax Return |
| Official source | Maryland Form 129 (Rev 09/25), Comptroller of Maryland |
Maryland Form 129 isn’t the one you’re looking for?