Md. Code, State Finance and Procurement § 4–209

The Department of General Services, the Department of Transportation, and the University System of Maryland shall reserve a reasonable amount of space in State buildings under their control, subject to regulations adopted by the Board of Public Works, so that any law enforcement agency or State recognized nonprofit advocacy group for abducted children can display the picture of a child abducted in a noncustody-related abduction in the reserved space.