The notice to a person accused when served with an indictment to appear and answer thereto shall contain two diets of appearance in the form of Schedule F to the [1887 c. 35.] Criminal Procedure (Scotland) Act 1887 where the second diet is to be in the sheriff court, and in the form of Schedule G to that Act when the second diet is to be in the High Court, and such first diet shall be not less than six clear days after the service of the indictment, and such second diet shall not be less than nine clear days after such first diet.
The said notice may, instead of being in the form of the said Schedule F or G, be in the form set out in an Act of Adjournal under this Act or as nearly as may be in such form.