It shall be competent to appeal to the sheriff-principal against the decision of a sheriff on any application to him under this Act F1(other than an application under section 23(1A)) within 21 days after the date of that decision, but subject thereto the decision of the sheriff-principal or sheriff shall be final.

The provisions of this section shall also apply in the case of applications to the sheriff-principal under any local enactment incorporating any provisions of Schedule 4.