9VAC5-91-710. Upgrade of analyzer system

A. Any requirement to upgrade a certified emissions analyzer system beyond the specifications and requirements described in this chapter and EPA420-B-04-011 shall apply to all such systems certified under this chapter and shall require an amendment to this chapter except for software or equipment upgrades provided under 9VAC5-91-670 or 9VAC5-91-675 as applicable. B. Such upgrade may include, but not be limited to, enhanced on-board diagnostic (OBD) testing equipment and electronic vehicle identification systems such as video and audio processes.