Interpretation of Mandatory Language in Advisory Circular

Verified from official sources
AC 107-2A ¶ 1.1.1Version 1Effective -Verified 22 August 2026

In plain language

When this guidance says 'must', it is pointing out an existing law or regulation that you already have to follow, rather than creating a new rule.

Requirement as structured

Mandatory terms such as 'must' in AC 107-2A are used solely to describe established statutory or regulatory requirements.

Original regulatory text

This AC uses mandatory terms, such as “must,” when the language is describing an established statutory or regulatory requirement. This AC does not change, add to, or delete regulatory requirements or authorize deviations from regulatory requirements or restrictions.

Applies when

country
United States
regulatory category
General