Atlas / Regulations / Legal Interpretations Legal Interpretation 2012-056 Current · Issued 06/11/2012 Mertens-DuncanAviation View PDF on drs.faa.gov ↗ (authoritative document) 14 CFR sections this interpretation addresses § 21.18 Not in our cache — verify on eCFR § 43.15 Not in our cache — verify on eCFR § 47.40 Not in our cache — verify on eCFR § 21.181 Not in our cache — verify on eCFR § 91.203 Not in our cache — verify on eCFR