12 U.S.C. § 4904 — Notification upon cancellation or termination

(a) Within 30 days after private mortgage insurance^* is canceled or terminated under this chapter, the servicer^* must notify the mortgagor^* in writing (1) that the insurance ended and the mortgagor no longer has it, and (2) that no further premiums, payments, or other insurance-related fees are due from the mortgagor.
(b)(1) If the servicer decides that a mortgage did not meet the requirements for cancellation or termination under section 4902(a) or (b), it must give the mortgagor written notice of the reasons, including any appraisal results used. (2) For a requested cancellation, the notice is due within 30 days after the later of receiving the request under section 4902(a)(1) or the mortgagor meeting the evidence and certification requirements under section 4902(a)(3). For termination, it is due within 30 days after the scheduled termination date^*.