4.—(1) The sheriff may make such order as he thinks fit for the expeditious progress of an application under the 2007 Act, including an application for a Convention adoption order, in so far as it is not inconsistent with the provisions of these Rules.
(2) The sheriff may relieve a party from the consequences of failure to comply with a provision in these Rules which is shown to be due to mistake, oversight or other excusable cause, on such conditions as he thinks fit.
(3) Where the sheriff relieves a party from the consequences of a failure to comply with a provision in these Rules under paragraph (2), he may make such order as he thinks fit to enable the cause to proceed as if the failure to comply with the provision had not occurred.