The Regulation Citation Object

The regulation citation object ties a regulation to one or more source-text chunks. It is returned by Query Regulations and inside Screen Analysis findings.

Object Shape

{
  "regulation": {
    "id": "cmdoc_01HXZ3K4M7QR9VP2N8WYJF5GTB",
    "category": "regulation",
    "title": "Electronic Fund Transfers",
    "authorities": ["cfpb"],
    "jurisdictions": ["us-federal"],
    "description": "Regulation E error-resolution requirements for financial institutions.",
    "updatedAt": "2026-04-09T00:00:00Z",
    "sourceUrl": "https://www.ecfr.gov/current/title-12/chapter-X/part-1005/section-1005.11"
  },
  "chunks": [
    {
      "text": "If the financial institution is unable to complete its investigation within 10 business days...",
      "startOffset": 12450,
      "endOffset": 12780,
      "sectionPath": "Electronic Fund Transfers > § 1005.11 > (c)(2)"
    }
  ]
}

Fields

Field	Type	Description
regulation	Regulation Summary Object	Document-level provenance for the cited source.
chunks	CitationChunk[]	One or more source excerpts from the regulation.

Citation Chunk

Field	Type	Description
text	string	Verbatim source text for this excerpt.
startOffset	integer or null	Byte offset where the excerpt begins in the regulation’s UTF-8 plain text. null when unavailable.
endOffset	integer or null	Byte offset where the excerpt ends. null when unavailable.
sectionPath	string or null	>-delimited breadcrumb showing where the chunk lives inside the document.