§ 97.55 Banking.

NO_X allowances may be banked for future use or transfer in a compliance account, an overdraft account, or a general account, as follows:

(a) Any NO_X allowance that is held in a compliance account, an overdraft account, or a general account will remain in such account unless and until the NO_X allowance is deducted or transferred under § 97.31, § 97.54, § 97.56, or subpart G or I of this part.