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.
When you enter into a contract under seal you are bound by the terms of the contract until the amendments are also put under seal or the contract is physically destroyed. A negotiable instrument is a legal contract that states the amount of a fixed payment to be made. An example of a negotiable instrument is a check.