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GAD's Online Service Center

If you are a vendor who does business with a participating agency of the State of Maryland, you may access these online services when you become a registered user.

 Register to Access GADís Online Service Center
If you are a new user please click here to register.

 Log On to GAD's Online Service Center
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System Availability - The GAD Online Service center is available 24 hours a day, 7 days a week from any home, office, or public access point. However, information may not be available during times of system maintenance. For assistance, contact the General Accounting Division's Post-Audit Section, Monday through Friday between 7:30 a.m. and 5:00 p.m. est. at 410-260-7432, or by email at gadchecks@marylandtaxes.gov.

Out of state vendors may call 1-888-784-0144 for assistance.




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