Md. Code, Pub. Safety § 4-105

(a) A local law enforcement agency shall use the money distributed under this subtitle as an addition to and not as a substitute for money appropriated from sources other than the Fund to acquire or replace protective body armor. (b) (1) Each local law enforcement agency shall spend money from its own sources to acquire or replace protective body armor in an amount at least equal to the amount of State money awarded from the Fund. (2) After a local law enforcement agency receives notice from the Executive Director of a grant, the local law enforcement agency shall submit to the Executive Director proof of expenditures on protective body armor. (3) After certifying the expenditures under paragraph (2) of this subsection, the Executive Director may authorize the reimbursement of one-half of the local law enforcement agency’s expenditures on protective body armor, up to a maximum of the amount of the grant.