200.239—Notice of determination.
The Participation Control Officer shall give written notice to the principal and to the field office concerned of disapproval under § 200.226, and conditional approval, withholding of approval or disapproval by the Review Committee under § 200.228. In the case of any such adverse notice:
(b)
The notice to the principal shall be sent by certified mail to the address shown on the certificate with a return receipt requested.