Md. Code, Local Government § 16–107

(a) In this section, “reserve account” means a continuing, nonlapsing

account or fund in which money is retained to support appropriations that have

become unfunded.

(b) By ordinance or local law, after notice and hearing, a county may

establish one or more reserve accounts.

(c) An ordinance or a local law that establishes a reserve account shall

provide for:

(1) requirements for the accumulation of a fixed amount of money, a

percentage of designated revenues, or both;

(2) the circumstances under which the account may be used; and

(3) the use of any earnings on the account.