(a) CAIR NOX allowances may be banked for future use or transfer in a compliance account or a general account in accordance with paragraph (b) of this section.(b) Any CAIR NOX allowance that is held in a compliance account or a general account will remain in such account unless and until the CAIR NOX allowance is deducted or transferred under § 96.154 , § 96.156 , or subpart GG or II of this part.70 FR 25339, May 12, 2005, as amended at 71 FR 25384, Apr. 28, 2006