40 CFR § 97.155 - Banking.

---
identifier: "/us/cfr/t40/s97.155"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 97.155 - Banking."
title_number: 40
title_name: "Protection of Environment"
section_number: "97.155"
section_name: "Banking."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "97"
part_name: "FEDERAL NOX BUDGET TRADING PROGRAM, CAIR NOX AND SO2 TRADING PROGRAMS, CSAPR NOX AND SO2 TRADING PROGRAMS, AND TEXAS SO2 TRADING PROGRAM"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401, 7403, 7410, 7426, 7491, 7601, and 7651,"
regulatory_source: "65 FR 2727, Jan. 18, 2000, unless otherwise noted. 71 FR 25396, 25422, and 25443, Apr. 28, 2006"
cfr_part: "97"
---


# 97.155 Banking.

(a) CAIR NO<sub>X</sub> 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 NO<sub>X</sub> allowance that is held in a compliance account or a general account will remain in such account unless and until the CAIR NO<sub>X</sub> allowance is deducted or transferred under § 97.142, § 97.154, § 97.156, or subpart GG or II of this part.