As per CNCA Announcement No_13, 2017, new national standard - GB18352.6-2016 (Limits and measurement methods for emissions from light-duty vehicles (China 6)) will replace GB 18352.5-2013 (Limits and measurement methods for emissions from light-duty vehicles (CHINA 5)), and relevant national standards for new energy vehicles will be added into CCC implementation rule. As of the date of this announcement (May 18, 2017), existing CCC certificates for related certified products could be maintained ONE year. The applicants could update their CCC certificates in advance according to their own intentions.