Section 4. In section 11BB, in the Explanation , after the words "Appellate Tribunal", the words ", National Tax Tribunal" shall be inserted

4. In section 11BB, in the Explanation , after the words "Appellate Tribunal", the words ", National Tax Tribunal" shall be inserted. 4. In section 29, in sub-section (1), after the words "any judgment of the High Court delivered", the words "before the date of establishment of the National Tax Tribunal" shall be inserted. 4. In section 28AA, in Explanations 1 and 2, after the words "Appellate Tribunal", the words ", National Tax Tribunal" shall be inserted.