stelam said:Is it important to send documents specifically to the SVO's street address? Last week, I sent a letter to the SVO in Singapour, but I sent it to the "mailing address" (a P.O. box) instead of the "street address"... now I'm worried :-[
Do not worry. Both address is fine. If you send a letter by regular mail, then PO Box should be used. But if you use FedEx or DHL, then street address is better.