Tax Season coming up – IRS 2021 – Procedures -no. 2: Non-Residents Ursula Hahn2022-04-18T13:04:02+01:00 Non-Residents are taxable on income and gains arising in Portugal. When the paying entities are resident or assets located within ... Tax Season coming up – IRS 2021 – Procedures -no. 2: Non-ResidentsUrsula Hahn2022-04-18T13:04:02+01:00