Section 18. Disputes regarding jurisdiction of tax authority

(1) No person shall be entitled to call in question the jurisdiction of any tax authority appointed under section 16, after the expiry of thirty days from the date of receipt by that person of any notice issued by such tax authority under this Act.

(2) An objection as to the jurisdiction of any such tax authority may be raised within the periods aforesaid by submitting a memorandum to that tax authority who shall refer the question to the Commissioner and the Commissioner shall after giving the person raising the objection, a reasonable opportunity of being heard, make an order determining the question of jurisdiction and his decision in this behalf shall be final.