S.C. Code Ann. § 31-3-1570

Bonds of an authority shall be authorized by its resolution and may be issued in one or more series and shall bear such date or dates, mature at such time or times, bear interest at such rate or rates, not exceeding six per cent per annum, be in such denomination or denominations, be in such form, either coupon or registered, carry such conversion or registration privileges, have such rank or priority, be executed in such manner, be payable in such medium of payment, at such place or places, and be subject to such terms of redemption (with or without premium) as such resolution and the trust indenture or mortgage may provide. Any provision of any law to the contrary notwithstanding, any bonds issued pursuant to this chapter and Chapter 11 shall be fully negotiable.