Okla. Stat. tit. 12A, § 12A-2A-515: Acceptance of goods

ACCEPTANCE OF GOODS

(1) Acceptance of goods occurs after the lessee has had a

reasonable opportunity to inspect the goods and:

(a) the lessee signifies or acts with respect to the

goods in a manner that signifies to the lessor or the supplier that

the goods are conforming or that the lessee will take or retain them

in spite of their nonconformity; or

(b) the lessee fails to make an effective rejection

of the goods (subsection (2) of Section 56 of this act).

(2) Acceptance of a part of any commercial unit is acceptance

of that entire unit.