---
kind: "unit"
title: "18"
title_heading: "Conservation of Power and Water Resources"
key: "chI/subchA/part1/subpartA"
level: "subpart"
label: "Subpart A"
heading: "Definitions and Rules of Construction"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/18/chI-subchA-part1-subpartA"
sections_count: 2
---

# Subpart A — Definitions and Rules of Construction

Title 18 C.F.R. — Conservation of Power and Water Resources › Chapter I — Federal Energy Regulatory Commission, Department of Energy › Subchapter A — General Rules › Part 1 — Rules of General Applicability

## Sections

- [§1.101. Definitions.](/cfr/18/1.101.md)
- [§1.102. Words denoting number, gender and so forth.](/cfr/18/1.102.md)