Okla. Stat. tit. 14A, § 14A-2-108: Definition: "Revolving charge account"

"Revolving charge account" means an open end credit plan between

a seller and a buyer under

(1) which the seller reasonably contemplates repeated

transactions, which prescribes the terms of such transactions, and

pursuant to which the seller will permit the buyer to purchase goods

or services on credit either from the seller or pursuant to a seller

credit card; and

(2) which provides for a credit service charge which is not

precomputed but is computed on the outstanding unpaid balances of

the buyer's account from time to time.