(1) ERUs exist solely as an accounting mechanism and are not property rights.

(2) Each covered party must keep a record for ten years in a manner prescribed by ecology of any ERUs generated or obtained.

(3) Any ERU generated must be recorded with its vintage year in the registry established in WAC 173-442-230 and the compliance report of the covered party.

(4) A covered party must report ERUs through the compliance report and accounts maintained in the registry established in WAC 173-442-230.