41. (1) The Board shall notify each party to an appeal of its decision on the appeal.

(2) Every notification given by the Board of a decision on an appeal shall specify—

( a) where appropriate, the reference number relating to the relevant application in the register of the building control authority,

( b) the nature of the decision,

( c) the building or works to which the decision relates, and

( d) the date of the decision.