The department of licensing, county auditors and their subagents shall issue or renew a vehicle license or change the registered owner only if the vehicle meets emission test requirements. Privately owned and United States government vehicles must obtain a passing test or waiver within the twelve months before the department of licensing renewal date for the vehicle. See the following table for the testing schedule.

Testing Schedule for Private and United States Government Vehicles
Year License Expires	Model Years
2012	1988, 1990, 1992, 1994, 1997, 1999, 2001, 2003, 2005, 2007
2013	1989, 1991, 1993, 1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008
2014	1990, 1992, 1994, 1997, 1999, 2001, 2003, 2005, 2007
2015	1991, 1993, 1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008
2016	1992, 1994, 1997, 1999, 2001, 2003, 2005, 2007
2017	1993, 1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008
2018	1994, 1997, 1999, 2001, 2003, 2005, 2007
2019	1995, 1996, 1998, 2000, 2002, 2004, 2006, 2008

PDFWAC 173-422A-030

Vehicle emission test requirements and testing schedule for private and United States government vehicles.