That's exactly like the German law works. And as far as I know, it's how all law system that aren't common/case law work.

Changes will either add, delete or change an existing law.

There is actually a website where someone has all changes dating back to 2006 and you can display diffs (called Synopsis in Germany) - for example: https://www.buzer.de/gesetz/5041/v322454-2025-03-25.htm