Best judgment assessment standards tightened when linked to search-and-seizure reassessments requiring documented satisfaction and DIN compliance.

Best judgment assessment under Section 144 is examined alongside Sections 153A and 153C, stressing that invocation of Section 144 must be grounded in the legitimate scope opened by search-related reassessments. The court emphasises that the Assessing Officer's satisfaction note must be substantively supported, administrative formalities such as a Document Identification Number must be complied with, and that extensions of assessment periods require concrete evidentiary justification.

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