Section 46(1)(i) in Punjab Urban Planning and Development Building Rules, 2018
(i)After the grant of the certificate referred to in sub-rule (5) of rule 45 or in the event of the certificate having been deemed to have been granted, every person intending to connect a drain or sewer to a public water sewer shall apply in Form 'L' to the competent authority at least seven days before the date on which connection is required.