If individuals want to automatically refuse foreign mail or block all mail from a specific sender, they must submit a written request to the USPS to withhold correspondence for up to two years.
1 liter = 33.8140226 US fluid ounces. 1 US fluid ounce = 0.0295735297 liters. Note that this is for fluid ounces, not dry ounces. A fluid ounce is a measure of volume, just like a liter is. A dry ounce is a measure of weight.
It is equal to 1/1000 liter, or one cubic centimeter, therefore, 1ml =1/1000 L =1 CM3. Ounces. A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl.) is a unit of volume. It is equal to about 28.41 ml in the imperial system or about 29.57 ml in the US system.