34 CFR 34.19: Amounts to be withheld under a garnishment order.

(a)(1) After an employer receives a garnishment order we issue, the employer must deduct from all disposable pay of the debtor during each pay period the amount directed in the garnishment order unless this section or § 34.20 requires a smaller amount to be withheld.

(2) The amount specified in the garnishment order does not apply if other law, including this section, requires the employer to withhold a smaller amount.

(b) The employer must comply with our garnishment order by withholding the lesser of—

(1) The amount directed in the garnishment order; or—

(2) The amount specified in 15 U.S.C. 1673(a)(2) (Restriction on Garnishment); that is, the amount by which a debtor's disposable pay exceeds an amount equal to 30 times the minimum wage. (See 29 CFR 870.10.)