Game concept · All Under Heaven
Ministry Obligations
The game also links it as Ministry Obligation.
From the game's encyclopedia
Ministry Obligations is a unique set of Subject Obligations only available for Ministers.
All civil ministers have a specific option set as their default, while the Grand Marshal has a unique option that provides the Marshal with Title Men-at-Arms.
These obligations cannot be changed.
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 Obligations is an entry of Crusader Kings III's in-game encyclopedia (All Under Heaven). The game explains it: "Ministry Obligations is a unique set of Subject Obligations only available for Ministers." It is part of Ministry. The game also links it as Ministry Obligation. 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.