Okla. Stat. tit. 74, § 74-935.3: Internal Revenue Service recognition

The Board of Trustees of the Oklahoma Public Employees

Retirement System (Board) shall take whatever action is reasonable

and necessary to have the defined contribution system authorized by

this act to be recognized as a tax-qualified plan as that term is

defined by Section 401 et seq. of Title 26 of the United States

Code, or any other applicable provisions of federal law. The Board

is also authorized to establish a plan or use an existing plan

established under Section 457(b) of Title 26 of the United States

Code, if it is necessary to carry out the intent of this act. The

Board shall take whatever action is reasonable and necessary to

obtain confirmation from the Internal Revenue Service that any such

457(b) plan is consistent with the requirements of Section 457(b).