3. The Commission is empowered to adopt delegated acts in accordance with Article 29 to amend Annex V where technically and economically feasible alternatives or technology is not available for the critical uses listed in that Annex within the timeframes set out therein or not acceptable due to their effect on the environment or health, or where it is necessary to ensure compliance with the international commitments of the Union concerning critical uses of halons, established in particular under the Protocol, by the International Civil Aviation Organization or under the International Convention for the Prevention of Pollution from Ships.