Okla. Stat. tit. 12A, § 12A-4-501: Handling of Documentary Drafts; Duty to Send for

Presentment and to Notify Customer of Dishonor.

HANDLING OF DOCUMENTARY DRAFTS; DUTY TO SEND FOR PRESENTMENT

AND TO NOTIFY CUSTOMER OF DISHONOR

A bank that takes a documentary draft for collection shall

present or send the draft and accompanying documents for presentment

and, upon learning that the draft has not been paid or accepted in

due course, shall seasonably notify its customer of the fact even

though it may have discounted or bought the draft or extended credit

available for withdrawal as of right.