Tools · Beta

Regulatory Time Machine

Every legacy-status check, retroactive permit and renovation practice turns on one question: which rules applied back then? Pick a date and query the corpus.

Browse by year

Permanent snapshots for the years when the framework changed — for legacy-status checks on any building.

1960197019801990200020102020

The area is the corpus growing over time · click a node (a year the framework changed) to open its snapshot

Progressive coverage: 43 of 61 regulations in the corpus are dated so far; the rest are being backfilled.

Orientation tool on the national framework: dates refer to entry into force of the instrument as a whole. Transitional regimes, later amendments and local rules can change the picture — always verify on the official sources. Not legal advice.

Regulatory Time Machine | Architheca