term:

Abrogate

abrogate vt

-gat·ed
-gat·ing
[Latin abrogare, from ab- off + rogare ask, ask for approval of (a law)]
: to abolish by authoritative, official, or formal action
: annul repeal [a recent addition to [section] 51B s statutory and common-law privileges "J. S. J. Elder and A. G. Rodgers"]
ab·ro·ga·tion [a-brə-gā-shən]
n

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