On the application of any person in accordance with rules of court, the county court shall, in such circumstances as may be prescribed, have power to make an order providing for any one or more of the following matters, that is to say—
On the application, in accordance with rules of court, of a person who appears to the county court to be likely to be a party to subsequent proceedings in that court . . . the county court shall, in such circumstances as may be prescribed, have power to order a person who appears to the court to be likely to be a party to the proceedings and to be likely to have or to have had in his possession, custody or power any documents which are relevant to an issue arising or likely to arise out of that claim—
This section is subject to any provision made under section 38,