There will be times when it is impossible for a client physically to sign a document that they are otherwise required to sign. This may be, for example, because they are in self-isolation due to a public health emergency. Defence statements are governed by the Criminal Procedure and Investigations Act 1996 (CPIA 1996). CPIA 1996, s 6A provides that a defence statement is a written statement setting out the nature of the accused’s defence, including any particular defences on which they intend to rely, indicating the matters of fact on which they take issue with the prosecution, and why they take issue with the prosecution,