34 C.F.R. § 222.117
(c) After an IPP hearing.
(d) An LEA that has not participated in an IPP hearing.
(1) An LEA that has not participated in an IPP hearing has 30 days from the date of its receipt of the Assistant Secretary's notice of intent to withhold funds to file a written request for a withholding hearing with the Assistant Secretary. The written request for a withholding hearing must—
(e) If an LEA fails to file a written explanation in accordance with paragraph (c) of this section, or a request for a withholding hearing or an amended request for a withholding hearing in accordance with paragraph (d) of this section, the Secretary proceeds to take appropriate administrative action to withhold funds without further notification to the LEA.
(Authority: 20 U.S.C. 7704 (a), (b), (d)(2), and (e) (8)-(9))