Practice – Parties. The Court of Appeal, Civil Division, held that a court could and should exercise its procedural powers to permit an amendment of a claim form to allow a claimant to substitute an unnamed defendant driver, identified by reference to the specific vehicle which he was driving at a specific time and place, and consequently, to enable judgment to be obtained against such a defendant, which an identified insurer was required to satisfy, pursuant to s 151 of the Road Traffic Act 1988.