0 a report that calculates what the harmful effects of a planned action would be on a particular place, activity, or group of people:
Under environmental protection laws, impact statements have to be done before any mining goes forward.
They want the government to produce impact statements that spell out all the costs of new laws and regulations.
The Children's Commissioner would require impact statements to assess the effect of policies on the young.
The woman's impact statement was so harrowing it was not read out in court.
The surviving husband delivered a moving victim impact statement at the trial, and the jury sentenced the defendant to death.