Section 17528 Of Article 9. Joint Use From California Education Code >> Division 1. >> Title 1. >> Part 10.5. >> Chapter 4. >> Article 9.

. As used in this article, "building" includes onsite and offsite facilities, utilities, and improvements which, as agreed upon by the parties, are appropriate for the proper operation or function of the building to be jointly occupied and used. It also includes the permanent improvement of school grounds.