See also:

https://news.ycombinator.com/item?id=47625366 - United States Code (federal laws) in Git (2026-04-03, 15 comments)

https://news.ycombinator.com/item?id=47621591 - Every Law a Commit – US Law in GitHub (2026-04-02, 32 comments)

I think it's parsing this data:

https://uscode.house.gov/download.html

Which was discussed here:

https://news.ycombinator.com/item?id=6135504 - The entire US Code is now online in XML (2013-07-31, 237 comments)