Section 164A--
insert--
'(2) However, if the tribunal makes 1 or more orders under section 157 postponing notifying, and giving a copy of, its decision for a specified period, the notice of appeal may be filed within 28 days after the later of the following days--
(a) the last day of the specified period or periods;
(b) the date of the written reasons for the tribunal's decision.'.