(a) Acceptance of residential property notes
In the event that the Commission finds that financing on reasonable terms is not available from other sources, the Commission may, in order to facilitate the sale of residential property under subchapter IV of this chapter, accept, in partial payment of the purchase price of any such property notes secured by first mortgages on such terms and conditions as the Commission shall deem appropriate. In the case of houses and apartment buildings, the maturity and percentage of appraised value in connection with such notes and mortgages shall not exceed those prescribed under section 1715n(a) of title 12, and the interest rate shall equal the interest rate plus the premium being charged (and any periodic service charge being authorized by the Secretary of Housing and Urban Development for properties of similar character) under section 1715n(a) of title 12, at the effective date of such notes and mortgages.

(b) Advances
In connection with the sale of residential property financed under subsection (a) of this section, the Commission is authorized to make advances for necessary repairs, or for the rehabilitation, modernization, rebuilding or enlargement of single and duplex residential properties to priority purchasers, and to include such advances in the amount of the note secured by the mortgage on such property.

(c) Acceptance of commercial property notes
In the event that the Commission finds that financing on reasonable terms is not available from other sources, the Commission may, in order to facilitate the sale of commercial property under subchapter IV of this chapter, accept, in partial payment of the purchase price of any commercial property notes secured by first mortgages on such terms and conditions as the Commission shall deem appropriate.

(d) Sale of notes and mortgages
The Commission may sell any notes and mortgages acquired under subsections (a) and (c) of this section on terms set by the Commission. Notwithstanding any other provisions of law and without regard to the provisions of section 6101 of title 41, the Commission may, in accordance with such terms and conditions as it may prescribe, (1) enter into contracts for servicing any of the notes and mortgages it has acquired, and (2) sell or enter into contracts to sell to a servicer any notes and mortgages with respect to which a servicing contract has been entered into by the servicer with the Commission: Provided, That with respect to sales of notes and mortgages under (2) the Commission shall comply with section 6101 of title 41 unless it determines that such compliance would not be feasible.