The Scottish Ministers may by regulations make provision for the purposes of sections 29(1) and 30(1) in so far as a matter in a case before the First-tier Tribunal or the Upper Tribunal is to be decided by two or more members of the tribunal, including—
(a)for a decision to be made unanimously or by majority,
(b)where a decision is to be made by majority, for the chairing member to have a casting vote in the event of a tie.