This visa is issued in the country of origin and can last for up to two years, and it is renewable for two more years. 

this type of visa requires several documents, such as proof of health insurance valid in brazil and multiple letters from the hosting organization in which they prove their official status and registration with the brazilian regulatory agency.

the applicant will need to show proof of health insurance, documentation from the NGO explaining the work to be done, for how long and where and that they will take full responsibility for all expenses and departure from the country.