(4) In order to hear an appeal, a majority of the board must be present. A concurring
vote of a majority of the members of the board present at the hearing shall be necessary
to reverse or modify any order or decision of the enforcing officer and to authorize
a variance or modification in the application of any ordinance or regulation adopted
under this chapter. When a tie vote occurs, the order of the enforcing officer shall
be considered to be sustained. Except as provided in subsection 5006(b) of this title, the findings of the board shall be conclusive with respect to questions of fact
and may be reviewed only as to questions of law. (Added 1969, No. 270 (Adj. Sess.); amended 1991, No. 229 (Adj. Sess.),§§ 3, 4.)