Contact Information for Vendors and Developers

Submitting Software Vendor Forms

Prior to submitting paper forms for approval please complete the Comptroller of Maryland Substitute Paper Vendor Contact Information Form and return it to us at:

eFile Program and Record Specifications

Contact the eFile Help Desk at 410-260-7753 or by email at

Paper Forms, Barcodes & Substitute Forms

Contact the Forms Manager at 410-260-6395 or email