#exaction  act of demanding or levying by by force or authority: "exaction of tribute"; "exaction of various dues and fees"
  supertype:  demand.activity  the act of demanding; "the kidnapper's exorbitant demands for money"
  subtype:  extortion.exaction  unjust exaction (as by the misuse of authority): "the extortion by dishonest officials of fees for performing their sworn duty"

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