(f) An appeal shall not be receivable unless the time limits specified in paragraph (a) above have been met or have been waived, in exceptional circumstances, by the panel constituted for the appeal.
(f) 除非按(a)款规定的时限提出申诉，或在特殊情况下，经专为此项申请而指派的小组免除此种时限，否则不应受理。