Interpretation of Mandatory Language in Advisory Circular
Verified from official sourcesAC 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