On 17 September 2016, the tax information exchange agreement (TIEA) between Costa Rica and Ecuador entered into force, which requires the parties to exchange information that is relevant for the determination, assessment, collection and execution of tax claims or for the investigation or prosecution of tax lawsuits.
For Ecuador, the exchange of information applies to information regarding income taxes, inheritance and donation tax, and other taxes collected by Ecuador’s Internal Revenue Service as same as for Costa Rica, the exchange of information applies to information regarding the income tax and other taxes collected by Costa Rica’s tax authorities.
This agreement generally applies from 17 September 2016 for criminal tax issues and from 1 January 2017 for other tax issues.
