…here comes my tax return – which was negative 64 000 NOK (USD 10 000)  🙂 Because – despite all my researcher and all my form-filling and all the signatures and letters, there was ONE form I had missed – the one that would ACTUALLY give me tax exemption while I was in the US – a signed confirmation on an NTNU (University) form that stated precisely the dates for when I left and when I returned, signed by me and my Department head. This form was needed by the University Payroll services, preferably before the end of 2011, so that THEY in turn could ensure that the Tax Authorities…