If you have been called as a witness in a trial your main duty as a witness is to tell the truth. If a judge forms the opinion that you have lied under oath, you may be prosecuted for perjury.
In this section, you will find information about what it means to be a witness in a court case.
You will also find information about how you are called to be a witness, the procedure for witness service and theprocedures in place for witnesses under 18 years. It also covers when you may give evidence by video-link and what the rules are in relation to the evidence you can give.
Information on going to court as a witness is also available in a Director of Public Prosecutions (DPP) booklet.
For more detailed information you should seek legal advice.