1. The prescribed or jurisdictional CGST/SGST officer or, as the case may be, an applicant aggrieved by any advance ruling pronounced under sub-section (4) of section 117, may appeal to the Appellate Authority.
2. Every appeal under this section shall be filed within a period of thirty days from the date on which the ruling sought to be appealed against is communicated to the prescribed or the jurisdictional CGST/SGST officer or, as the case may be, the applicant:
PROVIDED that the Appellate Authority may, if it is satisfied that the appellant was prevented by sufficient cause from presenting the appeal within the aforesaid period of thirty days, allow it to be presented within a further period not exceeding thirty days.
3. Every appeal under this section shall be in the prescribed form and shall be verified in the prescribed manner.