6 - What if I file both paper returns and magnetic media?
All paper W-2s and 1099Rs not included on media must be submitted in one package with the media. Also include Form MW508 showing the totals of all paper W-2s and 1099Rs, Form 500CR (Maryland Business Income Tax Credits) and payment of balance due, if applicable. Please include your name, Federal Employer Identification Number (FEIN), and Maryland Central Registration Number on all documents.
Send the package to:
Revenue Administration Division
ATTN:W-2 Processing, Room 214
110 Carroll Street
Annapolis, MD 21411-0001