This section does not apply to an agreement for the care, treatment, or supervision of 1 individual. Except as provided in subsection (c) of this section, a unit that enters into an international or interstate compact or other international or interstate agreement of general application, including an amendment to a compact or agreement, on behalf of the State, shall file a copy of the compact or agreement with the Division of State Documents in the Office of the Secretary of State. A unit need not file a copy of a compact or agreement under this section if the compact or agreement is part of the Annotated Code of Maryland. The Division of State Documents in the Office of the Secretary of State shall: keep an agreement or compact delivered under this section: until any limit that is set for the agreement or compact to become effective expires; and if the agreement or compact becomes effective, until it is abrogated; and publish the agreement or compact in the Maryland Register. After keeping the agreement or compact for the time required under this section, the Division of State Documents may deliver the agreement or compact to the State Archives.