Audience: Tax Professionals

Submitting Software Vendor Forms

Prior to submitting paper forms for approval every year, all entities intending to file substitute forms must submit a signed Income Tax Letter of Intent (LOI) by September 15. The document will be available under the Federation of Tax Administrators/State Exchange System Portal or you can email us at: mdsoftwaredevelopers@marylandtaxes.gov to request a copy.

eFile Program and Record Specifications

Contact the eFile Help Desk at 410-260-7753 or by email at efil@marylandtaxes.gov.

Paper Forms, Barcodes & Substitute Forms

Contact the Forms Manager by email mdsoftwaredevelopers@marylandtaxes.gov.