Section 221.1 - Savings clause(a) Effective February 20, 2001, the authority to insure mortgages under section 221(d)(2) of the National Housing Act (12 U.S.C. 1715l(d)(2) ) for low cost and moderate income mortgage insurance is terminated, except that HUD will endorse for insurance validly processed mortgages under direct endorsement where the credit worksheet was signed by the mortgagee's underwriter before February 20, 2001.(b) Subpart A of this part, as it existed immediately before February 20, 2001, will continue to govern the rights and obligations of insured mortgage lenders, mortgagors, and HUD with respect to section 221(d)(2) single family loans insured before February 20, 2001, or in accordance with paragraph (a) of this section, pursuant to the applicable provisions of this subpart.66 FR 5913, Jan. 19, 2001