The Court of Session may from time to time by Act of Sederunt prescribe any form of procedure in the sheriff's ordinary or small debt court or in proceedings for the confirmation of executors, or any other form required in connection with any duty devolving on a sheriff clerk or the form of any register required to be kept by a sheriff clerk and the particulars to be entered therein, and, where any such form as aforesaid is prescribed by any Act of Parliament, the Court may, notwithstanding anything in such Act contained, in the exercise of the power hereinbefore conferred, alter or amend any such form or cancel the same and substitute another form therefor. The foregoing provisions shall not extend to forms of procedure under the Summary Jurisdiction (Scotland) Acts.