Unless the context clearly indicates otherwise, the following definitions will apply:

"Appropriate repair" means the diagnosis or repair of the cause(s) of an emission test failure.

"Authorized tester" means a vehicle owner or business authorized by ecology to conduct testing other than ecology's contractor.

"Ecology" means the department of ecology.

"OBD" means the standardized on-board diagnostic system required to be installed on all 1996 and newer model year gasoline cars and light trucks sold in the United States. This system monitors the operation of the vehicle's emission control systems to detect possible problems. If problems are found a check engine light alerts the driver and trouble codes are stored to help an automotive repair technician diagnose the problem.

"Online" means to electronically communicate during the emission test as directed by ecology.

"Waiver" is an exemption from further testing for twelve months when all the following conditions apply:

(a) The vehicle failed an emission test;

(b) The vehicle failed a retest or is unable to be retested;

(c) All primary emission control components (or appropriate replacements) are installed and operative;

(d) An ecology authorized emission specialist has performed at least one hundred fifty dollars of appropriate repairs;

(e) The appropriate repairs were performed between the initial and last test; and

(f) Ecology or its designee has received original receipts listing and providing the cost of each appropriate diagnosis or repair of the cause(s) of an emission test failure.