---
kind: "section"
citation: "40 C.F.R. § 180.1349"
title: "40"
number: "180.1349"
heading: "Maleic hydrazide; exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/180.1349"
---

# §180.1349. Maleic hydrazide; exemption from the requirement of a tolerance.


An exemption from the requirement of a tolerance is established for residues of the pesticide maleic hydrazide, including its metabolites and degradates, when used as a plant growth regulator or herbicide.


## Notes

### Amendments

[91 FR 9728, Feb. 27, 2026]

### Authority

Authority: 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 36 FR 22540, Nov. 25, 1971, unless otherwise noted.

### Amendments

[91 FR 9728, Feb. 27, 2026]