Notwithstanding any of the provisions of this chapter, the Secretary is authorized, in his discretion, to insure under any section of this subchapter a mortgage executed in connection with the purchase of 2 2 So in original. Probably should be “or”. refinancing of an existing multifamily housing project or the purchase or refinancing of existing debt of an existing hospital (or existing nursing home, existing assisted living facility, existing intermediate care facility, existing board and care home, or any combination thereof).