29 C.F.R. § 1450.21
(a) Salary offset deductions shall not be made unless the Director of the Financial Management Staff of FMCS, or such other official as may be named in the future by the Director of FMCS, provides to the employee—at least 30 days before any deduction—a written notice stating at a minimum:
(11) That any knowingly false, misleading, or frivolous statements, representations, or evidence may subject the employee to: