For purposes of this chapter:

1. (a) “Low-income persons” means persons and families of low or moderate income, as defined by Section 50093 of the Health and Safety Code.

2. (b) “Nonprofit organization” means a nonprofit organization incorporated pursuant to Part 2 (commencing with Section 5110) of Division 2 of Title 1 of the Corporations Code for the purpose of acquisition of either of the following:

   1. (1) Single-family or multifamily dwellings for rehabilitation and sale or rent to low-income persons, or for other use to serve low-income persons.
   2. (2) Vacant land for construction of residential dwellings and subsequent sale or rent to low-income persons, for other use to serve low-income persons, or for dedication of that vacant land to public use.
3. (c) “Rehabilitation” means repairs and improvements to a substandard building, as defined in Section 17920.3 of the Health and Safety Code, necessary to make it a building that is not a substandard building.