A local education agency (LEA) whose students, under supervision of vocational/industrial instructors, construct, as part of a vocational/industrial curriculum, modular building units shall be exempt from all licensure requirements of this part; provided, however, that:
(1) The LEA constructs no more than five (5) modular buildings per school per school year;
(2) Each modular building's structural and electrical systems are inspected from its initial stages of construction by qualified building and electrical inspectors;
(3) Each modular building meets all applicable local building codes and, when installed at a permanent site, is inspected by local building officials as a site-built structure; and
(4) The LEA provides the purchaser of a modular building with a statement disclosing that it does not comply with this part. The LEA shall retain a copy of the statement signed by the purchaser.