Maryland Code, State Personnel and Pensions § 14-102

(1) to recover, for the use of this State, a payment made in violation of this Division I or of a regulation adopted under it from the person who authorized or made the payment;

(2) to enjoin a person, this State, or a unit of this State from authorizing a payment in violation of this Division I or of a regulation adopted under it; or

(3) if a payroll authorization is provided for by law or regulation, to enjoin the Secretary from issuing a payroll authorization in violation of this Division I or of a regulation adopted under it.