Before proceeding to the combined registration application to apply for or update a business, you have the option to view our instructional user guide and video tutorial found at the links below.
Before proceeding to the Maryland Tax Connect account registration, you have the option to view our instructional user guides and video tutorials found at the links below.
Before proceeding to Register as a Government User, you have the option to view our instructional user guide and video tutorial found at the links below.
Maryland Sales and Use Tax Exemption Certificate Application
Before proceeding to complete a Sales and Use Tax Exemption Certificate Application, you have the option to view our instructional user guide found at the link below.
Maryland Tax Connect will be unavailable on Wednesday, September 9, 2026, from 10:00 PM to 12:00 AM for scheduled maintenance. During this time, you will be unable to perform any Maryland Tax Connect functions.
Welcome to Maryland Tax Connect! Maryland Tax Connect for Individual Taxpayers is now live, replacing iFile as Maryland online tax portal. For more information, visit our Maryland Tax Connect Information Hub.
Pending Estimated Payments Scheduled Through iFile
If you scheduled an estimated payment in iFile before it became view‑only, it will still process as originally scheduled. You can no longer cancel or edit scheduled payments in iFile.
Please do not submit another estimated payment in Maryland Tax Connect, as this may create a duplicate. If your you need to make changes to your previously scheduled iFile payment, call 1‑800‑MDTAXES (Option 1) or visit MarylandComptroller.gov and select “Get Help Now.”