OK, I think I understand.  Can you tell me how the income-driven repayment plan works if my income in non taxed?
You would have to mark it the online application or paper application and you are not required to supply further documentation.
I'd like to know on what are the use of PSLF help tools in applying for the PSLF program?
these toolsThey will help you understand more about the PSLF Program and what you must do to participate and possibly forgive your loans.