The definitions contained in the Act (at 12 U.S.C. 3702) shall apply to this subpart, in addition to and as further clarified by the following definitions. As used in this subpart:

General Counsel means the General Counsel of the Department of Housing and Urban Development;

Multifamily mortgage does not include a mortgage covering a property on which there is located a one- to four-family residence, except when the one- to four-family residence is subject to a mortgage pursuant to section 202 of the Housing Act of 1959 (12 U.S.C. 1701q), or section 811 (42 U.S.C. 8013) of the National Affordable Housing Act. The definition of multifamily mortgage also includes a mortgage taken by the Secretary in connection with the previous sale of the project by the Secretary (purchase money mortgage).