((a)) ** Maximum allowable garnishment** Except as provided in subsection (b) and in , the maximum part of the aggregate disposable earnings of an individual for any workweek which is subjected to garnishment may not exceed
((1)) 25 per centum of his disposable earnings for that week, or
((2)) the amount by which his disposable earnings for that week exceed thirty times the Federal minimum hourly wage prescribed by in effect at the time the earnings are payable,
((b)) ** Exceptions**
((1)) The restrictions of subsection (a) do not apply in the case of
((A)) any order for the support of any person issued by a court of competent jurisdiction or in accordance with an administrative procedure, which is established by State law, which affords substantial due process, and which is subject to judicial review.
((B)) any order of any court of the United States having jurisdiction over cases under chapter 13 of title 11.
((C)) any debt due for any State or Federal tax.
((2)) The maximum part of the aggregate disposable earnings of an individual for any workweek which is subject to garnishment to enforce any order for the support of any person shall not exceed—
((A)) where such individual is supporting his spouse or dependent child (other than a spouse or child with respect to whose support such order is used), 50 per centum of such individual’s disposable earnings for that week; and
((B)) where such individual is not supporting such a spouse or dependent child described in clause (A), 60 per centum of such individual’s disposable earnings for that week;
((c)) ** Execution or enforcement of garnishment order or process prohibited** No court of the United States or any State, and no State (or officer or agency thereof), may make, execute, or enforce any order or process in violation of this section.