#abrogation__repeal__annulment  an official or legal cancellation
  supertype:  cancellation  the act of cancelling; calling off some arrangement
  subtype:  vacation  the act of making something legally void
  subtype:  recall  the act of removing an official by petition
  subtype:  revocation  the act (by someone having the authority) of annulling something previously done; "the revocation of a law"

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