- (1) Ecology shall create GHG allowances as required to cover the annual allowance budgets determined in WAC 173-446-210.
- (2) Ecology shall assign each GHG allowance a unique serial number that identifies the annual allowance budget from which the allowance originates.
- (3) Each allowance is of the vintage year of the annual allowance budget from which it comes.
- (4) Older vintage allowances must be retired before newer vintage allowances.
- (5) Allowances do not expire and may be banked.
- (6) Except as provided in this chapter, a covered or opt-in entity may not use an allowance from a future allowance vintage year to meet a current or past compliance obligation.
[Statutory Authority: RCW 70A.65.220. WSR 22-20-056 (Order 21-06), § 173-446-080, filed 9/29/22, effective 10/30/22.]