COM/RAD 109-B Rev. 01/20
FORM
MARYLAND CHANGE OF ADDRESS
109-B
FOR BUSINESSES
Business Name Federal Identification number
Trade Name Central Registration Number
OLD ADDRESS
Mailing Address - Line 1
Mailing Address - Line 2 (PO Box, Apt No., Suite No.)
City or Town State ZIP Code + 4
Telephone number Fax number Email address
NEW ADDRESS
Current Mailing Address - Line 1
Current Mailing Address - Line 2 (PO Box, Apt No., Suite No.)
City or Town State ZIP Code + 4
Telephone number Fax number Email address
Please update my address information per the information above. I certify that the foregoing information is true, correct and
accurate to the best of my knowledge.
Print name Title (Owner, Partner or Ocer)
Signature Date
COM/RAD 109-B Rev. 01/20
 
FORM
MARYLAND CHANGE OF ADDRESS
109-B
FOR BUSINESSES INSTRUCTIONS
General Information
You can use Form 109-B to notify the Comptroller of Maryland
that you have changed your business mailing address. If
you have changed both your home and business mailing
addresses, please submit Form 109-B along with Form 109-I.
Filling out Form 109-B
Please print using blue or black ink.
Enter OLD address information in the rst section; enter
NEW address in the second section.
Be sure to include any apartment, room, or suite number
information using the common designators as shown
below.
Common Designators
The most common unit designators are:
Apartment APT
Building BLDG
Floor FL
Suite STE
Unit UNIT
Room RM
Department DEPT
Only enter P.O. Box information if your post oce does
not deliver mail to your street address.
Do not use “#” signs or other special characters, except
the dash in the “ZIP code” eld when a 9-digit (+4) ZIP is
used.
Please remember to sign and date the form prior to
submission.
For more information
Visit
www.marylandtaxes.gov or call Taxpayer Service at
410-260-7980 in Central Maryland or 1-800-638-2937 from
elsewhere. For the hearing impaired: Maryland Relay Service
711.
Mail to:
COMPTROLLER OF MARYLAND
REVENUE ADMINISTRATION DIVISION
TAXPAYER IDENTIFICATION
PO BOX 549
ANNAPOLIS MD 21404-549