Question about the tax identification number

my affiliate network program uses paxum as a payment method and I have never received a payment before. so I never submit payment information before. but at the present time, I have an income above the minimum value and I try to submit my information, but they require a tax ID and maybe I can not provide this thing . So, everyone can tell me how to solve my problem, what happens if I do not have a tax identity or if I have one but I give them a wrong number. Could this be a problem? since they transfer money to paxum and i live in another …

Question about the tax identification number