Thank IO 540,
Yes I did in DBX then worked under part 121 company in JED. That's the problem, I got 4 responses from FAA Branch, only one said that I have to do the test again because I supposed to work inside US in US company under part 121, 125 or 135 after the test as per part 61.39 b (i) (ii) said 'under this chapter'. But why each FAA branch has different interpretation of this regulation? Please does anyone else know about this? Thank for sharing.