24 C.F.R. § 985.106
(c) If an PHA fails to correct a SEMAP deficiency within 45 calendar days as required, HUD may then require the PHA to prepare and submit a corrective action plan for the deficiency within 30 calendar days from the date of HUD notice.
(Information collection requirements in this section have been approved by the Office of Management and Budget under control number 2577-0215)