The Court of Session performing the Duty of the Court of Exchequer as aforesaid shall he and they are hereby authorized from Time to Time to frame and enact by Rule of Court all such Regulations as shall seem to them proper for giving Effect to the Purposes of the present Act, so far as they have reference to Entries with the Crown; and the said Court shall forthwith frame and enact a Rule of Court fixing and determining the Fees to be paid on the various Crown Writs, Steps of Procedure, and other Matters hereby authorized with reference to such Entries, but such Rule of Court shall be subject to Revision by the Court at any Time or Times thereafter.