Unless acting in accordance with the law, Chunghwa Post Co., Ltd may not refuse to accept and deliver mail items provided in the subparagraphs of paragraph 2 of Article 5-1, except for material or mail items which do not meet the specifications publicly announced by Chunghwa Post.　

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Subject to the consent of a property owner, or the manager or management committee of a property, Chunghwa Post may set up exclusive mail collection boxes on public roads or at residences, markets, factories, government agencies, schools, or other publicly or privately owned locations.

All mail items shall be delivered to the delivery address written on their cover, save for redirected items or in a case when delivery to a location is difficult or impossible and the mail is routinely delivered to another address (as specified under Article 24 or 48 hereof).
Where a mail item is not deliverable, it should be returned to its sender. When returning it to the sender is not feasible, Chunghwa Post should post it for claim. Chunghwa Post may dispose of undeliverable items of mail after they have been posted for claim for a considerable length of time.

Where a mail item has more than one addressee, the said mail item may be delivered to any of them.
Where there is dispute between the addressees prior to the delivery of said mail item and Chunghwa Post has received a statement to the effect that litigation has been initiated with respect to receipt of said mail item, delivery should be made in accordance with the confirmed judicial ruling or outcome of litigation.

Where the delivery address is other than the ground floor of a building, delivery shall be made as follows:
1.Mail items may be handed over to the doorman or receptionist if such persons are present on the ground floor.
2.Where there is no doorman or receptionist but only mail boxes, intercoms or door bells on the ground floor, ordinary mail items may be dropped in the mail box, and the addressee may be asked via intercom or ringing of the bell to come to the ground floor for pickup of registered mail or to pay postage due.
If the registered mail or postage due mail can not be delivered in the manner illustrated above, further actions taken should follow the provisions specified under Article 48 hereof.

In order to verify the identity of the addressee, Chunghwa Post may ask to see ID.

Railroads, motor vehicles, ships and aircrafts that engage in forwarding are required to assist in the carriage of mail items and postal personnel handling the mail items.
Chunghwa Post and the forwarding agents may negotiate the carriage charge for the transport of mail items and postal personnel mentioned in the preceding paragraph.

In delivering mail items or postal property, postal personnel have the right of way on all roads, bridges, customs facilities, and ferries.

The competent regulatory agency may dispatch its inspectors to, or, in conjunction with police officers with proper papers of authorization, enter sites that violate this Act and conduct inspections as well as demand presentation of related documents. The owners, persons-in-charge, residents, caretakers, users or representatives of said sites shall not shun, impede, or refuse such requests.