Estimated Payment Returns
| FORM NUMBER | FORM TITLE | INSTRUCTIONS | PAY ONLINE |
|---|---|---|---|
| INS-1 (PDF) | Estimated Payment Return, Insurance Premiums Tax | Included | Maine Tax Portal |
| INS-2 (PDF) | Estimated Monthly Return, Fire Investigation & Prevention Tax | Included | Maine Tax Portal |
| INS-6 (PDF) | Estimated Payment Return for Nonadmitted Premiums Tax (Self-procured & Surplus Lines) | Included | Maine Tax Portal |
Insurance Tax Returns
Note: The 2024 annual INS tax forms will be available soon. You may file the 2024 INS form electronically using the Maine Tax Portal. Click on the file online links below.
| FORM NUMBER | FORM TITLE | INSTRUCTIONS | FILE ONLINE |
|---|---|---|---|
| INS-4 (PDF) | Insurance Premiums Tax Return | Insurance premiums tax instructions (PDF) | Maine Tax Portal |
| INS-5 (PDF) | Fire Investigation & Prevention Tax Return | Included | Maine Tax Portal |
| INS-7 (PDF) | Nonadmitted Premiums Tax Return (Self-procured & Surplus Lines) | Included | Maine Tax Portal |
To view PDF or Word documents, you will need the free document readers. Alternate formats can be requested via email.