It shall be the duty of the Department of Social Services to: promptly investigate any complaint of a violation of the provisions of this subtitle; prosecute any person so violating the said provisions; and whenever they shall deem proper, seek the issuance of an injunction as above provided. City Code, 1927, art. 32, §34(1st sen.) 1950, art. 24, §28(1st sen.) 1966, art. 19, §65(1st sen.) 1976/83, art. 19, §75(1st sen.) Ord. 25-422 Ord. 77-573