Postal Regulation The draft version of the "Postal Regulation" requirements is provided in the box below. The Postal Regulation (Draft) The following postal regulation determines postage surcharges. This regulation applies only to parcels, not other types of postal items, and only to parcels sent to South America. For parcels which people mail to South America between December 1 and December 24 of each year, the system will apply these surcharges in addition to the standard postage: Country & Weight Surcharge Argentina All weights $11 Brazil Weight > 33 pounds $21 Brazil