Requiring interest earnings on money deposited for a certain taxing and assessment district to be credited to that district; specifying that a certain provision of law governing the petition process for the construction of an erosion prevention project or erosion control project in a certain district in Anne Arundel County does not apply to certain planning, permitting, or cost estimate activities; authorizing certain entities to use tax funds for upkeep or reconstruction of an existing shore erosion control project; etc.