Tax season coming up – IRS 2024 – Procedures – nº 1: Residents Ursula Hahn2025-01-29T12:57:54+00:00 Tax season is running from 1 April to 30 June. If you spent more than 183 days in Portugal in ... Tax season coming up – IRS 2024 – Procedures – nº 1: ResidentsUrsula Hahn2025-01-29T12:57:54+00:00