Cayman Islands AEOI Portal
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Welcome to the Cayman Islands AEOI Portal The Cayman Islands AEOI Portal is an online application that will allow you to submit your returns to the Cayman Islands Tax Information Authority (TIA). To access the Portal, please enter your username and password below. Note that the password is case sensitive.

If you require assistance, contact the Tax Information Authority at CaymanAEOIportal@gov.ky
Email address
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Password
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The recommended minimum computer requirements for using Cayman Islands AEOI Portal are: