---
kind: "section"
citation: "40 C.F.R. § 280.90"
title: "40"
number: "280.90"
heading: "Applicability."
url: "https://uscodex.org/cfr/40/280.90"
---

# §280.90. Applicability.

- (a) This subpart applies to owners and operators of all petroleum underground storage tank (UST) systems except as otherwise provided in this section.
- (b) Owners and operators of petroleum UST systems are subject to these requirements in accordance with [§ 280.91](/cfr/40/280.91.md).
- (c) State and Federal government entities whose debts and liabilities are the debts and liabilities of a state or the United States are exempt from the requirements of this subpart.
- (d) The requirements of this subpart do not apply to owners and operators of any UST system described in § [280.10(b)](/cfr/40/280.10.md?p=b), [(c)(1)](/cfr/40/280.10.md?p=c-1), [(c)(3)](/cfr/40/280.10.md?p=c-3), or [(c)(4)](/cfr/40/280.10.md?p=c-4).
- (e) If the owner and operator of a petroleum underground storage tank are separate persons, only one person is required to demonstrate financial responsibility; however, both parties are liable in event of noncompliance.

## Notes

### Authority

Authority: 42 U.S.C. 6912, 6991, 6991(a), 6991(b), 6991(c), 6991(d), 6991(e), 6991(f), 6991(g), 6991(h), 6991(i).

### Source

Source: 80 FR 41623, July 15, 2015, unless otherwise noted.