(a) Lump-sum deduction from final check. In order liquidate a debt, a lump-sum deduction exceeding 15 percent of disposable pay may be made pursuant to 31 U.S.C. 3716 from any final salary payment due a former employee, whether the former employee was separated voluntarily or involuntarily.

(b) Lump-sum deductions from other sources. Whenever an employee subject to salary offset is separated from NCUA, and the balance of the debt cannot be liquidated by offset of the final salary payment, NCUA may offset any later payments of any kind to the former employee to collect the balance of the debt pursuant to 31 U.S.C. 3716.