S.C. Code Ann. § 6-17-50: Refunding shall be authorized by resolution.

The refunding shall be authorized by resolution of the governing body of the municipality. Such resolution may be adopted at a regular or special meeting and at the same meeting at which it is introduced by a majority of all the members of the governing body then in office. Such resolution shall take effect immediately upon the adoption thereof. No other proceedings or procedure of any character whatever shall be required for the issuance of refunding bonds by the municipality.