Okla. Stat. tit. 12A, § 12A-4-203: Effect of Instructions

EFFECT OF INSTRUCTIONS

Subject to Article 3 of this title concerning conversion of

instruments (Section 3-420 of this title) and restrictive

indorsements (Section 3-206 of this title), only a collecting bank's

transferor can give instructions that affect the bank or constitute

notice to it, and a collecting bank is not liable to prior parties

for any action taken pursuant to the instructions or in accordance

with any agreement with its transferor.