CERTIFICATION DOCUMENT FUNDAMENTALS EXPLAINED

I have an issue. My cousins And that i were given a document To allow our aunt POA for your sale of a land in Phillippines. We each (5) we’re informed to own it notarized independently . Which is not an issue. My concern is considering the fact that we need it being Apostille ., will we need 5 Apostilles or maybe one .(At the end of this short ar