Casualty recorders must obtain the informed consent of their witnesses. This must encompass all the purposes a casualty recorder will use the data for.
Whenever recording a testimony – whether this testimony is given anonymously or not – casualty recorders must make clear to the witness how they will use their information, and obtain consent for each specific purpose they plan to use the data for (e.g. storing it on their database, publishing it in a report, use it for advocacy purposes, or transferring it to a court). The casualty recorder also needs to make clear to the witness what risks are attached to them giving a testimony.
Standards for Casualty Recording, p. 44