Unfortunately, since your nationality of birth is Iranian, the authorities will not allow you to apply based on this. It is immaterial that you currently reside in UAE.
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How can I get passports for my family by applying for the Alternative Investment Option in St Kitts and Nevis?
How much do I need to invest and how long will it take? What are my options to invest in? Can I add my parents to the same application as well? We are Iranian nationals but we currently live in UAE.