S.C. Code Ann. § 58-23-510: Applications for annual licenses.

Every motor vehicle carrier which shall operate in this State shall, as soon as such certificate is issued and annually on or before each succeeding January first as long as such certificate remains in force, present it, with any changes which have been ordered by the commission, to the Office of Regulatory Staff and make an application in writing to the Office of Regulatory Staff for registration and license as prescribed in Chapter 3 of Title 56 for owners of motor vehicles generally.