Section 4(1) in The Punjab Slum Areas (Improvement and Clearance) Act, 1961
(1)Where the competent authority upon report from any of its officers or other information in its possession is satisfied that any building in a slum area is in any respect unfit for human habitation, it may, unless in its opinion the building is not capable at a reasonable expense of being rendered so fit, serve upon the owner of the building a notice requiring him within such time not being less than thirty days as may be specified in the notice to execute the works of improvement specified therein and stating that in the opinion of the authority those works will render the building fit for human habitation.
