A Special Assessment District (S.A.D.) is a geographic area in which the market value of real estate is enhanced due to the influence of a public improvement and in which a tax is apportioned to recover the costs of the public improvement.
Void, voidable, and unenforceable contracts: (1) A void contract is one without any legal effect from the beginning. (2) A voidable contract is one that a party may elect to avoid or ratify. (3) An unenforceable contract is one otherwise valid but for which some defense exists extraneous to formation.
Although wager is a contingent agreement, yet there are certain points of difference between the two: Contingent Contract. 1. A contingent contract has been defined as a contract to do or not to do something, if some event collateral to such contract does or does not happen. A contingent contract is wider in scope. 2. A contingent contract thus includes a wager. In other words a wagering agreement is a contingent agreement (contract).