Invalid

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Invalid

Null; void; without force or effect; lacking in authority.

For example, a will that has not been properly witnessed is invalid and unenforceable.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.

INVALID. In a physical sense, it is that which is wanting force; in a figurative sense, it signifies that which has no effect.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.