Section 43656 Of Article 2. Certified Device Installation From California Health And Safety Code >> Division 26. >> Part 5. >> Chapter 3. >> Article 2.
43656
. The state board may exempt from any schedule of installation
adopted pursuant to Section 43654 or 43655:
(a) Motor vehicles or classifications or subclassifications of
motor vehicles for which certified devices are not available.
(b) Motor vehicles or classifications or subclassifications of
motor vehicles whose emissions are found by appropriate tests to meet
applicable emission standards without an additional motor vehicle
pollution control device.
(c) Implements of husbandry.
(d) Vehicles which qualify for special identification plates
pursuant to Section 5004 of the Vehicle Code.