The sender should specify if surface or air mail is requested. Postage cost varies with intended destination. Before using registered or certified mail for your document consider whether this method of mailing is mandated by government regulation or policy. When mailing more than one item to the same individual at the same address, consolidate into one mailing unless regulations stipulate otherwise. Express Mail Use of overnight mail delivery service is extremely costly.
Express mail is delivered the next day.
The average delivery time for priority mail is 1 -3 days depending on final destination. Noted below are comparison costs for priority mail, postal express and Federal Express. Federal Express 1-11 oz. If you feel you have an item needing urgent delivery consider alternate resources to paying costly express mail rates. Sending an item via facsimile can provide you with an immediate notice of receipt and in most cases a same day response.