If I receive wages from a US company as compensation for work done in the US before moving to Portugal, are those wages taxable in Portugal assuming non-habitual residence status does not apply? Additional context: I am receiving additional annual payments as compensation for work done at my former employer in the US following a buyout of the company. I have left the company and am moving to Portugal, but I will continue receiving payments in future years as continued compensation for my past work. Is that compensation taxable in Portugal as a tax resident, or will it be compensation for work exercised in the US and only taxable in the US? The US employer paying the compensation for past work does not have an establishment in Portugal and is US-only.
There is an international treaty to eliminate double taxation between Portugal and the US. That treaty regulates the principles between both countries regarding taxation and has a lot of specialties and exceptions, so we would advise you to have a consultation with a lawyer to further and better clarify your doubts.
We need more information to conclude, but in principle with NHR you should not be taxed in Portugal for those incomes.
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