who owns or holds land in excess of the permissible area and where land is situated in more than one Patwar Circle, shall furnish, within a period of six months from the commencement of the Punjab Security of Land Tenures (Amendment) Act, 1957, a declaration supported by an affidavit in respect of the land owned or held by him in such form and manner and to such authority as may be prescribed." Section 5 B "(1) A land owner who has not exercised his right of reservation under this Act, may select his permissible area and intimate the selection to the prescribed authority within the period specified in section 5 A and in such form and manner as may be prescribed: "Provided that a land owner who is required to furnish a declaration under section 5 A shall intimate his selection along with that declaration. "(2) If a land owner fails to select his permissible area in accordance with the provisions of sub section (1), the prescribed authority may, subject to the provisions of section 5 C, select the parcel or parcels of lands which such person is entitled to retain under the provisions of this Act: "Provided that the prescribed authority shall not make the selection without giving the land owner concerned an opportunity of being heard".