Legislative velocity
Instruments published in gazette supplements per year, classified from their title pages.
Act → commencement-order lag
Acts matched to their later "(Commencement) Order" by name. Lag = days between the two publications.
Gazette structure drift, 2004–2026
For each contents-page section: % of that year's issues where the section had content
(from 26,155 parsed TOC lines). Watch sections appear, fade, and vanish.
Publication cadence & the urgency index
Left: regular gazette issues per year (with the highest issue number seen — gaps mean unmirrored issues).
Right: extraordinary gazettes per month — how often government needed to publish urgently.
Cross-source content differences
Same issue (type + year + number) present in multiple sources with different file hashes —
candidates for silent revisions, re-scans, or corrections.