This title does not prohibit the State Division of Consumer Protection or a local consumer protection unit from enforcing the Maryland Consumer Debt Collection Act or local law. A local or State unit may not bring an action against a licensed collection agency for a specific violation or complaint for which an action against the licensed collection agency has been brought by: the Board under this title; or the State Division of Consumer Protection or a local consumer protection unit under the Maryland Consumer Debt Collection Act or under local law.