Maryland Code, Commercial Law § 15-607

(a) Wages, due from or payable by the State, or a county, municipal corporation, or other political subdivision, and the public officers of the State or a county, municipal corporation, or other political subdivision to an individual, are subject to attachment process brought for the enforcement of the private legal obligations of the individual in the same manner and to the same extent as if the State, county, municipal corporation, or other political subdivision, and their respective public officers, were a private person.

(b) The State, or a county, municipal corporation, or other political subdivision, and their respective public officers, may deduct and retain from the individual's wages an additional $2 for each deduction made under the attachment process of this subtitle or under Title 31, U.S.C. § 3720D.