Block assessment limitation rules govern search-related reassessment timelines, exclusions, and extensions for completing proceedings.

Assessment or reassessment of block-period undisclosed income after search or requisition must be completed within the prescribed limitation period, ordinarily eighteen months from the end of the quarter of initiation or requisition, and twelve months for the other person case. The period may be extended where a reference is made, and several intervals are excluded, including the time for handing over seized assets, court stays, information exchange, rehearing, audit or valuation proceedings, impermissible avoidance arrangement references, and advance ruling processes. A minimum balance period of sixty days is preserved, and expiry before month-end is carried to the end of that month.

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