Artikel 5

1. A postal item shall remain the property of the sender until it is delivered to the rightful owner, except when the item has been seized in pursuance of the national legislation of the country of origin or destination and, in case of application of article 19.2.1.1 or 19.3, in accordance with the national legislation of the country of transit.
2. The sender of a postal item may have it withdrawn from the post or have its address and/or the name of the addressee (name of the legal person, or family name, given name or patronymic (if any)) altered or corrected. The charges and other conditions are laid down in the Regulations.
3. Member countries shall ensure that their designated operators redirect postal items if an addressee has changed his address, and return undeliverable items to the sender. The charges and other conditions are laid down in the Regulations.