Penalty for non-cooperation: failure to answer, sign, produce or furnish tax information attracts administrative penalties and daily fines.

Clause 465 prescribes monetary sanctions for failures to cooperate with tax administration processes: a fixed penalty for substantive defaults such as refusal to answer lawful questions, sign required statements, comply with summons or specified notices or directions, and a daily penalty for continuing procedural defaults including non-delivery of returns, statements, certificates, declarations, failure to allow inspection, and withholding or payment obligations. Certain penalties are capped by the amount of tax deductible or collectible involved, and the clause specifies which grades of income-tax authority may impose the penalties.

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