Page 1 has Parts I, II and III and page 2 holds the instructions.
Use: complete it when the Practitioner PIN method is used or when the taxpayer authorizes the ERO to enter or generate the taxpayer's personal identification number.
Part III: Certification and Authentication is for the Practitioner PIN method only.
ERO: the ERO must retain Form EL101 for 3 years from the return due date.
Signed form: the ERO must receive the completed and signed Form EL101 from the taxpayer before the electronic return is transmitted.
PIN: the e-file PIN must have five digits other than all zeroes.
| Question | Answer |
|---|---|
| Form Name | Maryland Form EL101 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 23 |
| Avg. time to fill out | 4 min |
| Edition | Rev 06/25 |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | EL101, EL 101, Form EL101, Maryland Form EL101, E-File Declaration for Electronic Filing |
| Official source | Maryland Form EL101 (Rev 06/25), Comptroller of Maryland |
Form El101 isn’t the one you’re looking for?