n. — Politics
the practice of allowing members of the media to view copies of a government budget in a secured room to prevent the release of details before its official presentation.
Type: 5. Frequency — Federal budget lock-ups occur in Canada, Australia, and New Zealand (see Chart 1). Canada and Australia also have provincial/state budget lock-ups, but overall, lock-ups are more frequent in Canada than in Australia.
See also COD-2, s.v. "lock-up" (2), which is marked "Cdn".
Images:

Chart 1: Internet Domain Search, 30 Jul. 2013