Nothing in the preceding sections shall be construed to prohibit the receiving in payment of any evidence of debt or thing in action for any estate, real or personal, or for any services of any attorney actually rendered, or for a debt antecedently contracted, or the buying or receiving any evidence of debt or the thing in action for the purpose of remittance, and without any intent to violate the preceding section.
Okla. Stat. tit. 21, § 562