#waiver__release  a formal written statement of relinquishment
  supertype:  relinquishment__relinquishing  the act of relinquishing
  subtype:  granting_immunity__exemption__immunity  an act exempting someone; "he was granted immunity from prosecution"
     subtype:  fix  an exemption granted after influence (e.g., money) is brought to bear; "collusion resulted in tax fixes for gamblers"

No statement uses or specializes waiver; click here to add one.