Home2019 Treaties and Agreements ...Spain (19-1127) – Amendment of Double Taxation Agreement of February 22, 1990 hide Spain (19-1127) – Amendment of Double Taxation Agreement of February 22, 1990 TIAS Office of Treaty Affairs Taxation, Double Income Protocol Amending the Convention and Protocol of February 22, 1990. Agreement signed at Madrid January 14, 2013; entered into force November 27, 2019. with Memorandum of Understanding and Exchange of Notes. Download Agreement [4 MB] Tags Spain Taxation Treaties