Include the apartment number for all multi-unit dwelling addresses. If there is any possibility that the label might come off or that the writing might smear, cover it completely with a wide band of pressure sensitive, transparent tape. Always include your complete return address with your ZIP Code and full street address. For added protection, place a duplicate label inside the package. The U.S. Postal Service recommends that addresses be typed in all capital letters with no punctuation.
Some items require special consideration when being packaged for shipping.
Their employees are experts in safe mailing procedures. Other considerations Individual carriers offer other services for the protection of your packages. Insurance is not available on packages mailed parcel post. Additional insurance is available at a nominal charge. This means that the recipient must pay for the goods and shipping when the package is delivered.