Okla. Stat. tit. 12, § 1171.2
B. The maximum part of the aggregate disposable earnings of any person for any workweek which is subject to garnishment or income assignment for the support of a minor child shall not exceed:
2. Sixty percent (60%) of such person's disposable earnings for that week if such person is not supporting a spouse or dependent child.
The fifty percent (50%) specified in paragraph 1 of this subsection shall be deemed to be fifty-five percent (55%) and the sixty percent (60%) specified in paragraph 2 of this subsection shall be deemed to be sixty-five percent (65%), if and to the extent that such earnings are subject to garnishment or income assignment to enforce a support order with respect to a period which is prior to the twelve-week period which ends with the beginning of such workweek.
C. When responding to a notice of income assignment pursuant to Section 1171.3 of this title and a National Medical Support Notice issued pursuant to Section 118.1 of Title 43 and Section 6058A of Title 36 of the Oklahoma Statutes, the payor shall allocate available income in the following priority:
4. Other child support obligations.
If after payment of current child and spousal support there is insufficient income to pay the premiums necessary to provide dependent health insurance, the payor shall allocate the remaining withholding to arrearages and then to other child support obligations. An obligor may voluntarily elect to have the payor withhold amounts in excess of the limits in subsection B of this section to pay the obligor’s portion of the health insurance premium for a dependent child.
Laws 1978, HB 1659, c. 190, § 2, eff. October 1, 1978; Amended by Laws 1985, HB 1209, c. 297, § 11, eff. October 1, 1985; Amended by Laws 1997, HB 2058, c. 272, § 2, eff. November 1, 1997 (superseded document available); Amended by Laws 1997, SB 706, c. 402, § 6, emerg. eff. July 1, 1997 (superseded document available); Amended by Laws 2007, SB 944, c. 41, § 2, eff. November 1, 2007 (superseded document available).