US-FAA14 CFR 107.11
Applicability
Read the official ruleOfficial FAA regulation text (public domain)
This subpart applies to the operation of all civil small unmanned aircraft systems subject to this part.
Verbatim text of a US Federal Aviation Regulation (public domain), reproduced for reference — not legal advice and not for navigation. A plain-English explainer may be added later; always rely on the current official rule linked above.