Contract
Concept · Empire · Stellaris 4.5.2
Contract (empire) in the Stellaris encyclopedia: Contracts are tasks given to Nomadic Empires by Settled Empires, or internal tasks from parts of the Nomadic Empire itself.
Contract in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Contracts are tasks given to 
Nomadic Empires by 
Settled Empires, or internal tasks from parts of the Nomadic Empire itself.
These tasks range from raiding rivals to transporting diplomats, and can typically only be completed by 
Arkships.
Contracts are listed in the Situation Log tab of the 
Situation Log View.
Entries that mention Contract
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Source: common/game_concepts (concept_contract, also concept_contracts) and localisation/english, Stellaris Cygnus v4.5.2 (9776).