138.—(1) The Board shall have an absolute discretion to dismiss an appeal or referral—

F579[(a) where, having considered the grounds of appeal or referral or any other matter to which, by virtue of this Act, the Board may have regard in dealing with or determining the appeal or referral, the Board is of the opinion that the appeal or referral—

(i) is vexatious, frivolous or without substance or foundation, or

(ii) is made with the sole intention of delaying the development or the intention of securing the payment of money, gifts, consideration or other inducement by any person,]

or

(b) where, the Board is satisfied that, in the particular circumstances, the appeal or referral should not be further considered by it having regard to—

(i) the nature of the appeal (including any question which in the Board’s opinion is raised by the appeal or referral), or

(ii) any previous permission which in its opinion is relevant.

(2) A decision made under this section shall state the main reasons and considerations on which the decision is based.

(3) The Board may, in its absolute discretion, hold an oral hearing under section 134 to determine whether an appeal or referral is made with an intention referred to in subsection (1)(a)(ii).