Game concept
Recently Acquired Holding
The game also links it as Recently Acquired Holdings.
From the game's encyclopedia
Holdings acquired in the last year that put a ruler above their Domain Limit do not cause penalties to their other holdings, but also provide no Taxes or Levies.
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.
Recently Acquired Holding is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "Holdings acquired in the last year that put a ruler above their Domain Limit do not cause penalties to their other holdings, but also provide no Taxes or Levies." The game also links it as Recently Acquired Holdings. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/00_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.