This Practice Note provides guidance on making a request for further information using the procedure set out in CPR 18 and CPR PD 18 (known as a Part 18 request). It explains what a Part 18 request is; why to make a Part 18 request and when to make it; what can be asked for in a Part 18 request; the procedure for making a Part 18 request; the consequences if a request is not answered, including making an application for an order under CPR 18.1 and seeking an unless order; and the use of information obtained pursuant to a Part 18 request.

For guidance on responding to a Part 18 request, see Practice Note: Responding to a Part 18 request for further information.

This Practice Note provides guidance on the interpretation and application of the relevant provisions of the CPR. Depending on the court in which your matter is proceeding, you may also need to be mindful of additional provisions—see further: Court specific guidance below.