A person liable for the license tax provided by this article who fails to pay the tax or obtain the license within the time provided or who fails to comply with a lawful regulation of the department is liable for a penalty not to exceed five hundred dollars.
Penalty for failure to pay license tax
S.C. Code Ann. § 12-36-570, under Title 12, Chapter 36.
S.C. Code Ann. § 12-36-570