(a) A manufactured home manufacturer may sell manufactured homes, as defined in Section 18007, directly to a licensed California general building contractor, as described in Section 7057 of the Business and Professions Code, when all of the following conditions are met:

1. (1) The sale is for five or more manufactured homes in a calendar year.
2. (2) The manufactured homes are delivered directly to a building site and installed on a foundation system in accordance with Section 18551.
3. (3) The manufactured homes are installed within a single subdivision, as defined in Section 66424 of the Government Code, consisting of five or more parcels, and therefore require a tentative and final map pursuant to Section 66426 of the Government Code.

(b) A manufactured home manufacturer may sell manufactured homes, as defined in Section 18007, directly to a nonprofit corporation, as defined by Section 50091, that is also a Community Housing Development Organization, as defined in Section 92.2 of Title 24 of the Code of Federal Regulations, when all of the following conditions are met:

1. (1) The sale is for five or more manufactured homes in a calendar year.
2. (2) The manufactured homes are delivered directly to a site for installation by a dealer, as defined in Section 18002.6, or a contractor in accordance with Section 18551 or 18613.
3. (3) The manufactured homes are acquired and installed as part of a project financed by federal, state, or local government funds, and the homes will be sold or rented at affordable costs to low- and moderate-income households as established by the department for other affordable housing finance programs.