Ad-hoc norms validity extended for advance authorisations, with repeat application allowed during the validity period. Validity of ad-hoc norms ratified by the Norms Committee for Advance Authorisations under paragraph 4.07 is extended to 31.03.2028 for norms ratified on or after 01.04.2015. Other Advance Authorisation applicants may use such ratified norms on a repeat basis during the validity period, except for items listed in Appendix 4P and cases where non-applicability to other applications is expressly stated.