Family Procedure Rules 2010 (FPR 2010), SI 2010/2955, 25.10 provides, inter alia, that a party may put written questions about an expert's report to an expert instructed by another party, or to a single joint expert appointed under FPR 2010, SI 2010/2955, 25.11. Unless the court directs otherwise or a practice direction provides otherwise, written questions must be: • proportionate • put once only • put within ten days, beginning with the date on which the expert's report was served • for the purpose only of clarification of the report, and • copied and sent to the other parties at the same time as they are sent to the expert An expert's answers to questions must be given within