Data entry notes:
Spain acceded to this amendment on 2021-11-26, bringing both this amendment into force and becoming a member of the underlying agreement as well. https://verdragenbank.overheid.nl/en/Treaty/Details/000267.html -- this amendment required only Spain's accession to bring it into force: "The Decision of 11 October 2019 on Spain's accession to the Agreement, with Annex, pursuant to paragraph 5 of the Decision in conjunction with Article 20 of the Agreement, will enter into force on the first day of the second month following the date of deposit by Spain of its instrument of accession to the Agreement."