IRC 2021 · Model

Chapter 2: Definitions

4 sections in this chapter of the IRC 2021 model text — not Model's amended edition.

R201.1 Scope Unless otherwise expressly stated, the following words and terms shall, for the purposes of this code, have the meanings indicated in this chapter.

Plain-English guides for this chapter
  1. R201.1Scope
  2. R201.2Interchangeability
  3. R201.3Terms defined in other codes
  4. R201.4Terms not defined

The rest of Chapter 2: Definitions is for members

You're reading the opening of Chapter 2: Definitions. Members see the complete text, every cross-reference and the tools on this page — free for 14 days, no card required.

  • Full text of every section in this chapter
  • Plain-English summaries and cross-references
  • Compare this chapter across jurisdictions
  • Ask Code AI about any section, with citations
Unlock Chapter 2: Definitions — free for 14 daysSign in →

No card required. After the 14-day trial, plans start at $29/mo.

Our previews are real data — live counts, no placeholders. We publish our error log →

IRC 2021 Chapter 2: Definitions — Model Code | BuildSpec