stipulation

noun4

1. •
   The act of stipulating; a contracting or bargaining; an agreement.
2. •
   Something that is stated or stipulated as a condition of an agreement.

   • The stipulations of the contract won't allow you to do that.
   • If I lend you my car, my only stipulation is that you fill up the gas tank before returning it.
3. •
   A goal to be achieved in a chess problem; for example, to checkmate Black within a specified number of moves.
4. •
   The situation, arrangement, and structure of the stipules.