Okla. Stat. tit. 12A, § 12A-1-9-314A: Perfection by possession and control of chattel

paper.

PERFECTION BY POSSESSION AND CONTROL OF CHATTEL PAPER

(a) A secured party may perfect a security interest in chattel

paper by taking possession of each authoritative tangible copy of

the record evidencing the chattel paper and obtaining control of

each authoritative electronic copy of the electronic record

evidencing the chattel paper.

(b) A security interest is perfected under subsection (a) of

this section not earlier than the time the secured party takes

possession and obtains control and remains perfected under

subsection (a) of this section only while the secured party retains

possession and control.

(c) Subsections (c) and (f) through (i) of Section 1-9-313 of

this title apply to perfection by possession of an authoritative

tangible copy of a record evidencing chattel paper.