Any lease or agreement shall be subject to the following requirements: (

a) A building or structure that is to be used for school purposes shall be subject to the provisions of

Article 3 (commencing with

Section 17280) and

Article 6 (commencing with

Section 17365). A building or facility used by a school district under a lease or lease-purchase agreement into which neither pupils nor teachers are required to enter or that would be excluded from the definition of “school building,” as contained in

Section 17368, shall not be considered to be a “school building” within the meaning of

Section 17283. (

b) Subdivision (

a) shall not apply to trailer coaches used for classrooms or laboratories if the trailer coaches conform to the requirements of

Part 2 (commencing with

Section 18000) of Division of the Health and Safety Code, and the rules and regulations promulgated thereunder concerning mobilehomes, are not expanded or fitted together with other sections to form one unit greater than feet in width, are used for special educational purposes, and are used by not more than pupils at a time, except that the trailer coaches may be used by not more than pupils at a time for driver training purposes. (

c) The site on which a leased relocatable structure is located shall be owned by the school district, or shall be under the control of the school district pursuant to a lease or a permit. “Relocatable structure” is any structure that is designed to be relocated. (

d) For purposes of interconnection of fire alarms, buildings leased for months or less shall be subject to

Section of the Uniform Building Code until applicable regulations proposed by the State Fire Marshal are adopted as part of Title of the California Code of Regulations. (

e) Notwithstanding any other provision of law, this

section shall become operative on September 30, 1997.