Extension of period of limitation in certain cases

The Tribunal may admit a reference under sub-section (2) of section 8 or entertain an application for review under sub-section (7) of section 11 or for revision under sub section (1) of section 12 after the period of limitation laid down in sub- section (7) of section 8, sub-section (2) of section 11, or as the case may be, sub-section (7) of section 12 if the party satisfies the Tribunal that the party had sufficient cause for not making the reference or, as the case may be, the application for review or revision within such period.