First, an INGO needs to work in furtherance of the goals and objectives of the UN.
Second, an INGO should allow fair representation by members, establish a headquarters, and employ officers.
Third, an INGO should be a non-profit organization without engaging in business or corporate activities.
Fourth, an INGO should declare it will not rely on any violent measure whatsoever to pursue its goals.
Fifth, an INGO should not act in a way that could be interpreted as an interference with the internal affairs of states.