Offshore asset reassessment window extended to permit reopening where offshore net wealth escaped assessment within expanded period. Amendments to section 17 provide that the first proviso does not apply where any net wealth located outside India chargeable to tax has escaped assessment, and insert a clause permitting reassessment if four years, but not more than sixteen years have elapsed from the end of the relevant assessment year in such cases. The Explanation identifies persons found to have offshore assets or financial interests and a further Explanation confirms the amendments apply to assessment years beginning on or before the 1st day of April, 2012.