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A recognisance, on behalf of the Crown or otherwise, whether entered into before or after the commencement of this Act, and an inquisition finding a debt due to the Crown, and any obligation or speciality made to or in favour of the Crown, whatever may have been its date, shall not operate as a charge on any interest in land, or on the unpaid purchase money for any land, unless or until a writ or order, for the purpose of enforcing it, is registered in the register of writs and orders at the Land Registry.
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