Legal corpus: U.S. Code titles 1–11 from pinned OLRC XML (11,050 sections)

Raw OLRC USLM XML zips @ release 119-100 (retrieved 2026-07-04 via
Atlas depot), ingested with the standard pipeline: raw snapshot ->
per-section OKF markdown -> manifest + checksums. Title 52 untouched.
LegalText: 171 -> 11,221. Titles 12-54 await a clean OLRC retry.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legal/us/code/title-07/chapter-64/section-3172.md

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+---
+type: "LegalText"
+title: "7 U.S.C. § 3172"
+description: "Duties of Secretary of Agriculture"
+jurisdiction: "us"
+corpus: "united_states_code"
+kind: "code_section"
+title_number: 7
+title_name: "AGRICULTURE"
+chapter_number: "64"
+chapter_name: "AGRICULTURAL RESEARCH, EXTENSION, AND TEACHING"
+section: "3172"
+citation: "7 U.S.C. § 3172"
+status: "current"
+release_point: "119-100"
+release_date: "2026-06-26"
+source: "official"
+source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc07@119-100.zip"
+source_identifier: "/us/usc/t7/s3172"
+source_file: "data/legal/raw/us/code/title-07/usc07.xml"
+source_hash: "87588798bc52b401510b96291961d5fb0ef2bdacee2777c790c887c10a8cb19d"
+raw_snapshot_hash: "50edab1679a711653797362c0aeb8f2273303fe473fb7fa16df1ee76bdd6e984"
+text_hash: "5700af0e59ae76983e16197427c275c7adf673b03c7c8982c0512e000d5f4d5e"
+retrieved_at: "2026-07-04"
+confidence: "official"
+tags: ["legal", "us-code"]
+---
+
+# 7 U.S.C. § 3172 - Duties of Secretary of Agriculture
+
+## Text
+
+In order to carry out the policy of this subchapter, the Secretary shall develop and implement a national food and human nutrition research and extension program that shall include, but not be limited to—
+
+(1) research on human nutritional requirements;
+
+(2) research on the nutrient composition of foods and the effects of agricultural practices, handling, food processing, and cooking on the nutrients they contain;
+
+(3) surveillance of the nutritional benefits provided to participants in the food programs administered by the Department of Agriculture;
+
+(4) research on the factors affecting food preference and habits; and
+
+(5) the development of techniques and equipment to assist consumers in the home or in institutions in selecting food that supplies a nutritionally adequate diet.
+
+(Pub. L. 95–113, title XIV, § 1422, Sept. 29, 1977, 91 Stat. 999.)
+
+## Notes
+
+Statutory Notes and Related Subsidiaries
+
+Effective DateSection effective Oct. 1, 1977, see section 1901 of Pub. L. 95–113, set out as an Effective Date of 1977 Amendment note under section 1307 of this title.