Undisclosed foreign assets declaration: voluntary compliance permits tax and specified statutory immunity subject to eligibility and disclosure conditions. Voluntary tax compliance under Chapter VI permits declaration of undisclosed foreign assets acquired from income chargeable to tax in India prior to assessment year 2016-17, subject to eligibility limits where assessment notices, searches, surveys, or government information (including DTAA disclosures) pre-date specified cut-offs. Tax and penalty are payable on fair market value as per the Rules; the declared value becomes the cost for future capital gains and declared assets are granted immunity only under specified Acts, with other laws and bad faith declarations remaining actionable.