Okla. Stat. tit. 56, § 56-144: Termination or modification of allowance

Whenever any child shall reach the age of fourteen (14) years

any allowance made to the mother of such child for the benefit of

such child shall cease. The county court may, at its discretion, at

any time before such child reaches the age of fourteen (14) years,

discontinue or modify the allowance to any mother and for any child.