Legal corpus: the complete U.S. Code (59,740 sections, all 53 titles)

Ingested titles 12–51 and 54 from OLRC USLM XML @119-100 (the whole Code
now, uniform edition; Title 53 is reserved/empty). LegalText 11,221 ->
59,740; repo total 105,704 records. Deterministic (byte-identical rerun,
verified on Title 42's 8,356 sections); make check green. make
legal-us-code default now covers every title.

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

legal/us/code/title-41/chapter-43/section-4309.md

@@ -0,0 +1,39 @@
+---
+type: "LegalText"
+title: "41 U.S.C. § 4309"
+description: "Burden of proof on contractor"
+jurisdiction: "us"
+corpus: "united_states_code"
+kind: "code_section"
+title_number: 41
+title_name: "PUBLIC CONTRACTS"
+chapter_number: "43"
+chapter_name: "ALLOWABLE COSTS"
+section: "4309"
+citation: "41 U.S.C. § 4309"
+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_usc41@119-100.zip"
+source_identifier: "/us/usc/t41/s4309"
+source_file: "data/legal/raw/us/code/title-41/usc41.xml"
+source_hash: "832ea6745330c2bd36b153f90f056b69ec145c13b20b5bb679937cf7c6f65e75"
+raw_snapshot_hash: "0977ff7e7fefd99bbd25a86e009a9e4c2707301ec8c49233d17b6604e38702e3"
+text_hash: "e932fd20b0be8dc94b5099e4701d0ae926ba73d36da1c28648c1759b2351b3e1"
+retrieved_at: "2026-07-04"
+confidence: "official"
+tags: ["legal", "us-code"]
+---
+
+# 41 U.S.C. § 4309 - Burden of proof on contractor
+
+## Text
+
+In a proceeding before a board of contract appeals, the United States Court of Federal Claims, or any other Federal court in which the reasonableness of indirect costs for which a contractor seeks reimbursement from the Federal Government is in issue, the burden of proof is on the contractor to establish that those costs are reasonable.
+
+(Pub. L. 111–350, § 3, Jan. 4, 2011, 124 Stat. 3788.)
+
+## Notes
+
+Historical and Revision Notes RevisedSectionSource (U.S. Code)Source (Statutes at Large) 430941:256(j).June 30, 1949, ch. 288, title III, § 306(j), as added Pub. L. 100–700, § 8(a)(1), Nov. 19, 1988, 102 Stat. 4634; Pub. L. 103–355, title II, § 2151, Oct. 13, 1994, 108 Stat. 3313.