Okla. Stat. tit. 59, § 1633

A. The welding inspector shall be recertified upon payment of the current fee and successful reexamination of complete facilities every year. However, renewal applicants who attest to continual or uninterrupted activity in the practice of welding inspection and who recomply with the provisions of Sections 141.1 through 141.20 of Title 40 of the Oklahoma Statutes and 380:25-13-3 of the Oklahoma Administrative Code shall be recertified upon payment of the current certification fee without reexamination. B. Application for renewal of a certification that has expired shall be considered a new application. C. The welding inspector shall be responsible for maintaining a current address with the State Department of Labor, Boiler Inspector Department, for mailing of renewal notices.