S.C. Code Ann. § 36-4-203
Subject to the provisions of Chapter 3 concerning conversion of instruments (Section 36-3-419) and the provisions of both Chapter 3 and this Chapter concerning restrictive indorsements only a collecting bank's transferor can give instructions which affect the bank or constitute notice to it and a collecting bank is not liable to prior parties for any action taken pursuant to such instructions or in accordance with any agreement with its transferor.