Assessment proceedings, etc., not to be invalid on certain grounds.
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....d on certain grounds. 160. (1) No assessment, re-assessment, adjudication, review, revision, appeal, rectification, notice, summons or other proceedings done, accepted, made, issued, initiated, or pu....
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....to the intents, purposes and requirements of this Act or any existing law. (2) The service of any notice, order or communication shall not be called in question, if the notice, order or communication....