Tap any paragraph to write a margin note. Your notes collect in the Desk below the text and file under cases with @. The side-by-side margin rail opens on a larger screen.

§
Marginalia
Code · BILL · 118th Congress · H.R. 3935 (Introduced in House) — To amend title 49, United States Code, to reauthorize and improve the Federal Aviation Administration and other civil... · Sec. 139

Sec. 139. Definition of air traffic control system

70 words·~1 min read·/bill/118/hr/3935/ih/section-139

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

Section 40102(a)(47) of title 49, United States Code, is amended— in subparagraph
(C)by striking and at the end; in subparagraph
(D)by striking the period at the end and inserting ; and ; and by adding at the end the following: systems, software, and hardware operated, owned, and maintained by third parties that support or directly provide air navigation information and air traffic management services with Administration approval. .
★   the supreme law of the land   ★
Don't Tread on Me
E Pluribus Unum — out of many, one

"If you don't know your rights, you don't have any."

Marginalia · a citizen's law index
A research desk, not legal advice. Always read the cited source before relying on a summary.
Questions or an issue? support@self-law.org
disclaimerMarginalia is a research index, not a law firm. Nothing on this site is legal, tax, or financial advice and no attorney–client relationship is formed by using it. Statutes, regulations, and case law change; summaries, search results, AI output, and member posts may be incomplete, out of date, or wrong. Any interpretation drawn from material on this site should be validated by a licensed attorney in your jurisdiction before you act on it.