Section 670.23 - Use or withholding of funds(a)Directing the use of funds. The Administrator may require a recipient to use Chapter 53 funds to correct safety violations identified by the Administrator or a State Safety Oversight Agency before such funds are used for any other purpose.(b)Withholding of funds. Except as provided under 49 CFR part 674, the Administrator may withhold not more than twenty-five (25) percent of funds apportioned under 49 U.S.C. 5307 from a recipient when the Administrator has evidence that the recipient has engaged in a pattern or practice of serious safety violations, or has otherwise refused to comply with the Public Transportation Safety Program, as codified at 49 U.S.C. 5329 , or any regulation or directive issued under those laws for which the Administrator exercises enforcement authority for safety.(c)Notice. The Administrator will issue a notice of violation that includes the amount the Administrator proposes to redirect or withhold at least ninety (90) days prior to the date from when the funds will be redirected or withheld. The notice will contain-(1) A statement of the legal authority for its issuance;(2) A statement of the regulatory provisions or directives FTA believes the recipient has violated;(3) A statement of the remedial action sought to correct the violation; and(4) A statement of facts supporting the proposed remedial action.(d)Reply. Within thirty (30) days of service of a notice of violation, a recipient may file a written reply with the Administrator. Upon receipt of a written request, the Administrator may extend the time for filing for good cause shown. The reply must be in writing, and signed by the recipient's Accountable Executive or equivalent entity. A written reply may include an explanation for the alleged violation, provide relevant information or materials in response to the alleged violation or in mitigation thereof, or recommend alternative means of compliance for consideration by the Administrator.(e)Decision. The Administrator will issue a written decision within thirty (30) days of his or her receipt of a recipient's reply. The Administrator shall consider a recipient's response in determining whether to dismiss the notice of violation in whole or in part. If a notice of violation is not dismissed, the Administrator may undertake any other enforcement action he or she deems appropriate.