Subject to subsection (b) of this section, the governing body of a county may adopt an ordinance, a resolution, or a regulation or take any other action that the governing body considers necessary to authorize a person to: use the person’s property to operate a seafood business; harvest seafood; buy or sell seafood; store equipment used in the person’s seafood business; and enjoy the quiet conduct of the person’s seafood business. Before adopting an ordinance, a resolution, or a regulation under subsection (a) of this section, the governing body of the county shall: hold a public hearing on the proposed ordinance, resolution, or regulation; provide reasonable notice of the hearing; and obtain the written consent of the Secretary of Natural Resources. An ordinance, a resolution, or a regulation adopted without the written consent of the Secretary of Natural Resources is void. In the event of a conflict, federal law, State law, or written program guidance issued by a unit of the federal or State government shall preempt an ordinance, a resolution, or a regulation adopted or any other action taken under this section.