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Knowledge Base

Contact
If you need assistance with COMPASS, or any licensing and registrations issues you can reach DNR by:

Email at customerservice.dnr@maryland.gov (if possible, please provide DNRid number or boat number, if boating related), or

Contact your local Licensing & Registration Service Center between the hours of 8:30 am to 4:30 pm EST Monday through Friday, excluding State Holidays
User Manuals

DNR Site Resources