According to a release from the Indian Ministry of External Affairs, officials from India and Portugal signed an amending protocol to the 1998 income tax treaty between the two countries on 23 June 2017 along with ten other bilateral MoUs/agreements. As previously announced by the Indian government, the protocol updates the treaty's exchange of information provisions to help the tax authorities of both countries curb tax evasion. It is the first to amend the treaty and will enter into force after the ratification instruments are exchanged.