http://www.legislation.gov.uk/nia/2011/22/section/3Housing (Amendment) Act (Northern Ireland) 2011An Act to amend the law relating to housing.texttext/xmlenStatute Law Database2023-05-18Expert Participation2023-04-01 31Article 14 of the Private Tenancies Order (length of notice to quit) is amended as follows.2In paragraph (1) for “4 weeks” substitute “ the relevant period ”.3After that paragraph insert—1AFor the purposes of paragraph (1) the relevant period is—a4 weeks, if the tenancy has not been in existence for more than 5 years;b8 weeks, if the tenancy has been in existence for more than 5 years but not for more than 10 years;c12 weeks, if the tenancy has been in existence for more than 10 years..4This section—aapplies whether the private tenancy was granted before or after the date on which this section comes into operation; butbdoes not apply in relation to a notice to quit given before that date.S. 3 omitted (28.4.2022 for specified purposes) by virtue of Private Tenancies Act (Northern Ireland) 2022 (c. 20), ss. 11(8), 14(2)(g)