In this section the following words have the meanings indicated. “Community–managed open space” means a local park, garden, woods, or other predominantly undeveloped area that is utilized and cared for by the local community in a natural or cultivated state for the general benefit of the local community. “Community open space management entity” means a nonprofit organization that has a cooperative agreement with the Maryland Environmental Trust and the purposes of which are primarily to: preserve community–managed open spaces in fully developed areas; acquire, sell, lease, transfer, manage, establish, or hold easements to parcels of land for use as community–managed open space in fully developed areas; and encourage, support, and facilitate the participation of communities in the beautification, maintenance, and preservation of community–managed open spaces in fully developed areas. The Mayor and City Council of Baltimore City or the governing body of a county or municipal corporation may exempt property owned by a community open space management entity from the county or municipal property tax. The governing body of a county or municipal corporation may enact regulations, procedures, and any other provision necessary to carry out the exemption under this section.