Okla. Stat. tit. 12A, § 12A-2A-501: Default - Procedure

DEFAULT; PROCEDURE

(1) Whether the lessor or the lessee is in default under a

lease contract is determined by the lease agreement and this

article.

(2) If the lessor or the lessee is in default under the lease

contract, the party seeking enforcement has rights and remedies as

provided in this article and, except as limited by this article, as

provided in the lease agreement.

(3) If the lessor or the lessee is in default under the lease

contract, the party seeking enforcement may reduce the party's claim

to judgment, or otherwise enforce the lease contract by self-help or

any available judicial procedure or nonjudicial procedure, including

administrative proceeding, arbitration, or the like, in accordance

with this article.

(4) Except as otherwise provided in subsection (a) of Section

18 of this act or this article or the lease agreement, the rights

and remedies referred to in subsections (2) and (3) of this section

are cumulative.

(5) If the lease agreement covers both real property and goods,

the party seeking enforcement may proceed under this Part as to the

goods, or under other applicable law as to both the real property

and the goods in accordance with that party's rights and remedies in

respect of the real property, in which case this Part does not

apply.