---
kind: "section"
citation: "40 C.F.R. § 174.544"
title: "40"
number: "174.544"
heading: "Modified potato acetolactate synthase (StmALS) in potato; exemption from the requirement of a tolerance."
url: "https://uscodex.org/cfr/40/174.544"
---

# §174.544. Modified potato acetolactate synthase (StmALS) in potato; exemption from the requirement of a tolerance.


Residues of modified potato acetolactate synthase (StmALS) in potato are exempt from the requirement of a tolerance when used as a plant-incorporated protectant inert ingredient.


## Notes

### Amendments

[88 FR 95188, Mar. 15, 2023]

### Authority

Authority: 7 U.S.C. 136-136y; 21 U.S.C. 321(q), 346a and 371.

### Source

Source: 66 FR 37814, July 19, 2001, unless otherwise noted.

### Amendments

[88 FR 95188, Mar. 15, 2023]