CFR title, chapter, part, and section labels form a hierarchy. Honesty note: simplified federal agency and regulatory model; jurisdictions and programs vary; the pinned first step states the as-of date; not legal advice.

highlighted = computed this step

Regulatory data honesty note

Honesty note: simplified federal agency and regulatory model; jurisdictions and programs vary; as of June 24, 2026; not legal advice; code encodes a stated structural model, not the law itself.

regulatory model as of June24,2026\text{regulatory model as of }June 24, 2026

CFR hierarchy is structured text

The stated process models CFR text as unit records linked by parent ids. This is structural hierarchy, not interpretation.

titlechapterpartsection\text{title}\to\text{chapter}\to\text{part}\to\text{section}

Example hierarchy path

The toy path starts at 40 C.F.R. and ends at 40 C.F.R. 70.1.

path labels are citation data\text{path labels are citation data}

The compiler recomputes depth

The toy CFR hierarchy has 4 units from title to section, with maximum depth 3.

units=4,max depth=3\text{units}=4,\quad \text{max depth}=3

Diagram note

The diagram shows one simplified path. Active labels are toy as-of hierarchy labels only, not live currency, validity, or applicability conclusions.

hierarchy labels are structural\text{hierarchy labels are structural}

Jurisdiction: US; as of 2026-06-24; not legal advice; Code encodes the stated structural model, not the law itself.

Simplified federal CFR hierarchy scope=US-FED model=CFR hierarchy model as_of=2026-06-24 note=Simplified federal agency and regulatory model; source text, version, and as-of date matter; jurisdictions and programs vary; not legal advice; code encodes a stated structural model, not the law itself; active labels are toy as-of hierarchy labels only, not live currency, validity, or applicability conclusions. definitions=0 cross_refs=0 active=4 order=1 path=Title 40 depth=0 active=true tokens=5 def=none defs=0 xrefs=0 cite=40 C.F.R. order=2 path=Title 40/Chapter I depth=1 active=true tokens=5 def=none defs=0 xrefs=0 cite=40 C.F.R. ch. I order=3 path=Title 40/Chapter I/Part 70 depth=2 active=true tokens=6 def=none defs=0 xrefs=0 cite=40 C.F.R. part 70 order=4 path=Title 40/Chapter I/Part 70/sec. 70.1 depth=3 active=true tokens=5 def=none defs=0 xrefs=0 cite=40 C.F.R. 70.1

Summary

CFR hierarchy data should show citation labels, parent links, depth, and as-of caveats before legal review.

parent links before review\text{parent links before review}