Game concept · All Under Heaven
Ministry Budget
The game also links it as Ministry.
From the game's encyclopedia
Treasury sent to Vassals from the central government, for the purposes of funding Ministries. It is based on the periodically calculated allocation of the Treasury income of the Top Liege.
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Ministry Budget is an entry of Crusader Kings III's in-game encyclopedia (All Under Heaven). The game explains it: "Treasury sent to Vassals from the central government, for the purposes of funding Ministries." It is part of Budget Category. The game also links it as Ministry. Patch 1.20.1.2, from game/common/game_concepts/tgp_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/tgp_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.