Chun tacú leis na Ballstáit maidir leis an gcúram feistí sáraithe a bhrath, d'fhoilsigh an Coimisiún, ar an 26 Eanáir 2017, Guidance on the evaluation of Auxiliary Emission Strategies and the presence of Defeat Devices with regard to the application of Regulation (EC) No 715/2007 on type approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) (Treoir maidir le meastóireacht ar Straitéisí Cúntacha Astaíochta agus ar láithreacht Feistí Sáraithe i dtaca le cur i bhfeidhm Rialachán (CE) Uimh.
Die maatregelen mogen alleen gelden voor een beperkt aantal onderdelen of uitrustingsstukken.