一直以为Robinhood只给US person用，但其实要求的只是US resident，而并不需要US resident for US tax purposes（i.e. US person）。换句话说，住在美国的NRA也是可以用的（必须有SSN）。有兴趣的在美NRA可以仔细阅读这个页面：
今天Robinhood发给了我 Confirm your tax status 邮件（因为资料里我填的是non-US citizen），要求我确认自己到底是RA还是NRA，以提交相应的W-9或W-8BEN。我在还是RA时就开通了账户，变成NRA后一直不辨身份继续使用，现在看来是不能再装下去了，因为提交上去的资料会备案留档吧？
看了一下在美NRA（i.e. non-US resident for US tax purposes）提交W-8BEN的步骤：
Why do I need to certify my tax status?
We’re legally required to ensure that all Robinhood customers certify their tax status. For US persons, we are generally not required to withhold taxes on proceeds (this can include proceeds from sales, interest, and dividends). If you don’t certify your tax status, you may be subject to backup withholding. Certifying your tax status allows us to avoid unnecessary withholding.
If you are submitting a W-8BEN, you will also need to submit a letter of explanation in the app, which provides information on the reason you reside in the US but are claiming to be a non-US person for tax purposes.
Due to the coronavirus pandemic and associated travel restrictions, my planned trip back to my home country is significantly delayed. However, I have no employment in the US but have been working remotely for an institution in my home country, therefore according to I.R.C. Sec.7701(b)(3)(B)(3), I have a closer connection to foreign country than the US, the substantial presence does not apply and I am a nonresident alien for tax purposes this year.
Due to the coronavirus pandemic and associated travel restrictions, my planned trip back to my home country is significantly delayed. However, I have no employment in the US but have been working remotely for an institution in my home country, therefore according to I.R.C. Sec.7701(b)(3)(B)(3), I have a closer connection to foreign country than the US, the substantial presence does not apply and I am a nonresident alien for tax purposes this year.
在美NRA可能是他的底线？
