I think you need to meet with your foreign student adviser, and the professor that is supervising your CPT. You might be trying to 'stretch' things a bit too far for CPT.
As for creating a non-profit ... sure ... but why?
I strongly suggest you sit-on these great ideas until after you have graduated from college/university.
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Third time you ask this question. Yes you can register the organization, but you cannot work in it unless the work is related to CPR and complies with other CPT rules. IF it does not, it would not matter whether you get paid here, there in Nepal or not at all. It would still be a violation of your status.
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Talk to your DSO.
J Charles Ferrari Eng & Nishimura 213.622.2255 The statement above is general in nature and does not constitute legal advice, as not all the facts are known. You should retain an attorney to review all the facts specific to your case in order to receive advise specific to your case. The statement above does not create an attorney/client relationship. Answers on Avvo can only be general ones, as specific answers would require knowledge of all the facts. As such, they may or may not apply to the question.