A medical consultant working in Ireland for four years has been left with an undesired income tax bill of €263,178 after the Tax Appeals Commission (TAC) threw out his claim that he was not tax resident in Ireland for the four-year period he was working here.  The consultant, who arrived in Ireland in 2016 ostensibly to learn about the Irish medical system, came from a country with a Double Taxation Agreement (DTA) with Ireland and believed this exempt him from paying income tax here. One week after arriving he rented a five-bedroom house for his wife and their younger children…