The systems and methods described herein relate generally to the integration of a shipping label with a customs form to provide a single label having postage, addressing, customs and other information for international shipping. In one embodiment, a method for generating an international shipping a package comprises the steps of providing shipping information associated with the package, the information comprising address information of the origin, address information of the destination, postage information including a postage amount due to a post service and a customs form number unique within the post service; processing a shipping label having the shipping information displayed thereon; and affixing the shipping label to the package.