(1) Any person aggrieved by the order of a registering officer under sub-section (6) of section 3B may, within thirty days of the publication of such order in the newspaper under that sub-section, prefer an appeal to such authority as may be prescribed:
Provided that the appellate authority may entertain an appeal under this sub-section after the expiry for the aforesaid period if it is satisfied that appellant was prevented by sufficient cause form preferring the appeal within such period.
(2) After the receipt of an appeal under sub-section (1), the appellate authority may, after giving the appellant , the employer referred to in sub-section (5) of section 3B and the registering officer an opportunity of being heard in the matter, dispose of the appeal as expeditiously as possible.