As used in Section 901 et seq. of this title:
For compensation for service on or after January 1, 1988, through June 30, 1994, the maximum compensation level shall be Forty Thousand Dollars ($40,000.00) per annum.
For compensation for service on or after July 1, 1994, through June 30, 1995, the maximum compensation level shall be Fifty Thousand Dollars ($50,000.00) per annum; for compensation for service on or after July 1, 1995, through June 30, 1996, the maximum compensation level shall be Sixty Thousand Dollars ($60,000.00) per annum; for compensation for service on or after July 1, 1996, through June 30, 1997, the maximum compensation level shall be Seventy Thousand Dollars ($70,000.00) per annum; and for compensation for service on or after July 1, 1997, through June 30, 1998, the maximum compensation level shall be Eighty Thousand Dollars ($80,000.00) per annum. For compensation for services on or after July 1, 1998, there shall be no maximum compensation level for retirement purposes.
An eligible member under this paragraph shall include only those persons who shall have served during the times or in the areas prescribed in this paragraph, and only if such person provides appropriate documentation in such time and manner as required by the System to establish such military service prescribed in this paragraph, or for service pursuant to subdivision a of division (v) of subparagraph (a) of this paragraph those persons who were awarded service medals, as authorized by the United States Department of Defense as reflected in the veteran's Defense Department Form 214, related to the Vietnam Conflict for service prior to August 5, 1964;
Okla. Stat. tit. 74, § 902