Inspection of register
7.21 Any person who satisfies a district judge of the principal registry that he is entitled to or liable to make payments under a maintenance order of a superior court or a solicitor acting on behalf of any such person or, with the leave of the district judge, any other person may inspect the register and bespeak copies of any such order which is registered in the High Court under Part 11 of the Act of 1950 and of any statutory declaration or affidavit filed therewith.