---
kind: "section"
citation: "40 C.F.R. § 721.50"
title: "40"
number: "721.50"
heading: "Applicability."
url: "https://uscodex.org/cfr/40/721.50"
---

# §721.50. Applicability.


This subpart B identifies certain significant new uses of chemical substances identified in subpart E of this part. The provisions of this subpart B apply only when referenced as applying to a chemical substance identified in subpart E of this part.


## Notes

### Source

Source: 54 FR 31308, July 27, 1989, unless otherwise noted.

### Authority

Authority: 15 U.S.C. 2604, 2607, and 2625(c).

### Source

Source: 49 FR 35018, Sept. 5, 1984, unless otherwise noted.