I have been working for an online company for that is based in Spain while I was abroad in Europe, working in a number of countries. During this time, I was paying TAX in Spain because South African TAX policy says that if you work outside the country for 180 days (estimated) then you don't have to pay. However, I returned to SA and would now like to stop paying Spain TAX because I want to contribute to my own country and also because it is too high. The only thing is that I need a TAX Residence Certificate but no one seems to know about it at the SARS office. I am still working online and earning euros. Please advice on how to go about this?