S.C. Code § 54-9-60
It shall not be lawful for any broker, shipping master or other person engaged in the business of procuring seamen for vessels, furnishing them with such seamen or making contracts for the services of such seaman to enter or attempt to go on board of any vessel lying at any port in any waters within the jurisdiction of this State, without having previously obtained the permission of the master or other person having the care, custody and control of such vessel. Any such person so entering any such vessel, without such permission, shall be guilty of a misdemeanor and shall, upon conviction, be punished by fine and imprisonment, at the discretion of the judge who tries the case, not to exceed three hundred dollars and three months' imprisonment.
S.C. Code § 54-9-60