karirk wrote:. . . so we can resolve this prior to his arrival in Sweden. I can imagine it could cause issues if the routing is not in place for the funds.
I sense a different question than was answered. Be assured that your son will have the funds provided by his mission office that he needs, whether or not the contribution location is resolved.
That said though, it is important to determine that the proper ward is responsible for sending the monthly ward missionary allocation to Church headquarters and that contributions are in order there. But that will not affect your missionary son as he serves.