Section 677 - Commission - Time when dueFor purposes of the Sales Representatives Recognition Act, the time at which a commission is due to a sales representative shall be determined in the following manner:
1. If the contract between the principal and the sales representative is in writing and its terms unambiguously and clearly specify when the commission is due, the terms of the contract shall control the determination;2. If the contract between the principal and the sales representative is not in writing, or if the contract between them is in writing but its terms do not specify when the commission is due or its terms are ambiguous or unclear, the past practice used by the principal and the sales representative shall control the determination; or3. If neither paragraph 1 or 2 of this section can be used to clearly ascertain when a commission is due, the custom and usage prevalent in this state for the industry of the principal and sales representative shall control the determination.Okla. Stat. tit. 15, § 677
Laws 1989, HB 1103, c. 268, § 3, eff. 11/1/1989.