Each employer shall pay contributions equal to the tax rate assigned to rate class twenty except as may be otherwise provided in Chapters 27 through 41 of this title. The department must promulgate regulations regarding the methodology by which the allowed prepayment amounts will be calculated and the manner in which they will be credited to the employer's account.
General rate of contribution
S.C. Code Ann. § 41-31-10, under Title 41, Chapter 31.
S.C. Code Ann. § 41-31-10