Report of the Administrative Committee for the Tir Convention 1975 on Its Seventy-Seventh Session (February 2022): ac.2, in Line with Annex 11, Article 5, Adopted the Etir Concepts and the Etir Functional Specifications, Including the Amendments Adopted by Tib at Its First Session. This Provides a Complete Legal and Technical Basis for Those Countries that Are Willing to Implement the Etir Procedure