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 the GAD Online Services including:
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- One Stop Vendor Payment Inquiry
- Federal Liability Offset Letters
- 1099 Inquiry
To access please register or login below.
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Register to Access GAD's Online Service Center
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If you are a new user please click here to register.
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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:
- By phone Monday through Friday between 8:30 a.m. and 4:30 p.m. EST. at 410-260-7813 or
toll-free at 888-784-0144
- By email at gadchecks@marylandtaxes.gov
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