Okla. Stat. tit. 59, § 59-1636: Fees and certificates

A. The certification fee for each welder shall be Twenty-five

Dollars ($25.00). An additional fee of Ten Dollars ($10.00) shall

be paid if the welder's certification has expired prior to renewal.

The certification fee for each welding inspector shall be One

Hundred Dollars ($100.00). The certification fee for each testing

facility shall be Two Hundred Fifty Dollars ($250.00).

B. Certificates for welders and testing facilities and welding

inspectors shall be issued for a period of one (1) year, and shall

be renewed by January 1 of each year for testing facility applicants

and welding inspectors, and on the last day of the welder

applicant's birth month; provided, however, that no welder applicant

shall be required to renew his license more than once during any

twelve-month period. Failure to renew the certificates within one

(1) year of expiration shall require recertification.