to be fair Rob is correct Damo relying on taxed twice on same money as his argument which is kinda true but not really the purpose or application of any tax treaties.
yup didnt say it was same so we on the same page but great u added the differneces if in fact they correct. (fyi not all applied to me but hey thats my RTE)
you can apply for a nonOA in home country and one as a dependant and only need one 800k (i say that from experience BUT BUT my depenant/wife is under 50)