Three things: what kind of cost it is, who or what it pays, and which contract slice funds it.
This decides which details we ask for and which rules apply.
Optional, but linking a sink to an entity is what lets the same person or truck appear on several grants without being counted twice. The list below shows only entities of the right type.
These are the terms of this engagement, and the cost basis they produce is what funding percentages are measured against. Fill the block matching the type you picked.
Pick the contract slice that funds this sink and say how much of the cost basis it covers.