Section 23(1) in Andhra Pradesh General Sales Tax Act, 1957
(1)Any dealer objecting to an order relating to assessment passed by the (Commissioner of Commercial Taxes suo motu under sub-section (1) of Section 20 Joint Commissioner suo motu under sub-section (4-C) of section 14 or under sub-section (2) of section 20 may appeal to the Special Appellate Tribunal within sixty days from the date on which the order was communicated to him.Provided that the Special Appellate Tribunal may admit an appeal preferred after the period of sixty days aforesaid if it is satisfied that the dealer had sufficient cause for not preferring the appeal within that period.