---
kind: "unit"
title: "7"
title_heading: "Agriculture"
key: "subtB/chI/subchE/part91"
level: "part"
label: "Part 91"
heading: "Services and General Information"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/7/subtB-chI-subchE-part91"
sections_count: 48
---

# Part 91 — Services and General Information

Title 7 C.F.R. — Agriculture › Subtitle B — Regulations of the Department of Agriculture › Chapter I — Agricultural Marketing Service (standards, Inspections, Marketing Practices), Department of Agriculture › Subchapter E — Commodity Laboratory Testing Programs

## Contents

- [Subpart A — Administration](/cfr/7/subtB-chI-subchE-part91-subpartA.md)
- [Subpart B — General Services](/cfr/7/subtB-chI-subchE-part91-subpartB.md)
- [Subpart C — Application for Services](/cfr/7/subtB-chI-subchE-part91-subpartC.md)
- [Subpart D — Laboratory Service](/cfr/7/subtB-chI-subchE-part91-subpartD.md)
- [Subpart E — Samples](/cfr/7/subtB-chI-subchE-part91-subpartE.md)
- [Subpart F — Method Manuals](/cfr/7/subtB-chI-subchE-part91-subpartF.md)
- [Subpart G — Reporting](/cfr/7/subtB-chI-subchE-part91-subpartG.md)
- [Subpart H — Appeal of Laboratory Services](/cfr/7/subtB-chI-subchE-part91-subpartH.md)
- [Subpart I — Fees and Charges](/cfr/7/subtB-chI-subchE-part91-subpartI.md)
- [Subpart J — Designation of Approved Symbols for Identification of Commodities Officially Tested By AMS](/cfr/7/subtB-chI-subchE-part91-subpartJ.md)