Section 17958.8 Of Chapter 4. Application And Scope From California Health And Safety Code >> Division 13. >> Part 1.5. >> Chapter 4.
17958.8
. Local ordinances or regulations governing alterations and
repair of existing buildings shall permit the replacement, retention,
and extension of original materials and the use of original methods
of construction for any building or accessory structure subject to
this part, including a hotel, lodginghouse, motel, apartment house,
or dwelling, or portions thereof, as long as the portion of the
building and structure subject to the replacement, retention, or
extension of original materials and the use of original methods of
construction complies with the building code provisions governing
that portion of the building or accessory structure at the time of
construction, and the other rules and regulations of the department
or alternative local standards governing that portion at the time of
its construction and adopted pursuant to Section 13143.2 and the
building or accessory structure does not become or continue to be a
substandard building.