Okla. Stat. tit. 11, § 11-50-118: Member retired for disability - Physical examination -

Emergency duty.

Any member retired for disability as authorized in this article

may be summoned before the State Board at any time to submit himself

or herself to the State Board or some physician licensed by this

state and selected by the State Board, to be examined as to the

member's fitness for duty, and if found to be able to return to duty

by the State Board, the member shall not be entitled to any further

money from the funds of the System. All such members so retired as

authorized under this article shall report, upon order of the State

Board, to some physician licensed by this state and designated by

the State Board, for an examination as to the member's fitness for

duty, and if at such time the member be found fit for duty by the

State Board, the member shall not be entitled to any further money

from the System. In case of great public emergency any such member

retired for disability may be assigned to and shall perform such

duty as the Chief of the Police Department of the municipality may

direct and such member shall not be entitled to any pay from the

municipality for the duty so performed.