MPD uses the National Testing Networks Frontline National Written Examination service.  The examination is offered as a part of MPD Prospect Day. Each applicant is responsible for paying $49 to take the Frontline National Written Exam. Any new MPD applicant who takes the FrontLine National Written Exam receives: 1). total cost reimbursement within 30 days if they are residents of the District of Columbia; 2). $25 reimbursement within 30 days regardless to where you live, when you take the exam at any of the four testing locations in the District of Columbia.