term:

Severability Clause

severability clause n

: a clause (as in a contract) which states that provisions are severable
;esp
: a clause in a statute that makes the statute's parts or provisions severable so that one part can be invalidated without invalidating the whole called also separability clause

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.