36 CFR § 1192.4 - Miscellaneous instructions.

---
identifier: "/us/cfr/t36/s1192.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "36 CFR § 1192.4 - Miscellaneous instructions."
title_number: 36
title_name: "Parks, Forests, and Public Property"
section_number: "1192.4"
section_name: "Miscellaneous instructions."
chapter_name: "ARCHITECTURAL AND TRANSPORTATION BARRIERS COMPLIANCE BOARD"
part_number: "1192"
part_name: "AMERICANS WITH DISABILITIES ACT (ADA) ACCESSIBILITY GUIDELINES FOR TRANSPORTATION VEHICLES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "29 U.S.C. 792 (b) (3); 42 U.S.C. 12204."
regulatory_source: "56 FR 45558, Sept. 6, 1991, unless otherwise noted."
cfr_part: "1192"
---


# 1192.4 Miscellaneous instructions.

(a) *Dimensional conventions.* Dimensions that are not noted as minimum or maximum are absolute.

(b) *Dimensional tolerances.* All dimensions are subject to conventional engineering tolerances for manufacturing processes, material properties, and field conditions, including normal anticipated wear not exceeding accepted industry-wide standards and practices.

(c) *General terminology.* The terms used in this part shall have the following meanings:

(1) *Comply with* means meet one or more specification of these guidelines.

(2) *If* or *if * * * then* denotes a specification that applies only when the conditions described are present.

(3) *May* denotes an option or alternative.

(4) *Shall* denotes a mandatory specification or requirement.

(5) *Should* denotes an advisory specification or recommendation and is used only in the appendix to this part.

[56 FR 45558, Sept. 6, 1991, as amended at 81 FR 90624, Dec. 14, 2016]