Mail items shall be posted by bringing them to post office branches, authorized agents of Chunghwa Post or mail receptacles in accordance with regulations.

（Deleted）

The following documents or materials are forbidden in the mail:
1.Items that, due to their nature or the manner in which they are packed, may be harmful to postal employees or may soil or damage items of mail or postal equipment.
2.Metal fasteners used to seal items of mail with sharp edges that could cause difficulties in the processing of mail.
3.Flammable, explosive or other dangerous materials. Exceptions are perishable biological substances with special packaging sent between government-registered organizations with special transportation permission issued by competent authorities.
4.Live animals — apart from bees, silkworms, leeches, parasites or beneficial insects sent between government-registered organizations or parcels sent to Japan containing harmless earthworms without soil.
5.Radioactive materials.
6.Opium, morphine and other narcotics. Exceptions include insured or value-declared mails sent by those that hold special transportation permission from competent authorities or those who provide statements in writing from judicial organs or judicial police institutions proving that these articles are being sent between such domestic bodies to be used as evidence in judicial proceedings; as well as packages that are sent abroad in the form of insured mails to be used in medicine or scientific research for which the approval of the country of destination has been obtained.
7.Documents or materials that are obscene or immoral in character. Exceptions include registered mails sent by those providing statements in writing from judicial organs or judicial police institutions proving that these articles are being sent between such bodies to be used as evidence in judicial proceedings.
8.Documents or materials that are prohibited for importation or circulation in the country of destination.
9.Documents or materials that are prohibited to be sold and manufactured by the government. Exceptions are those sent as registered mails by those providing statements in writing from judicial organs or judicial police institutions proving that the items are being sent between such bodies to be used as evidence in judicial proceedings.
10.Lottery tickets and flyers related to lottery tickets. Exceptions are those sent in registered mails that have been issued with a government permit or those that have been issued without a government permit but are to be used as evidence in judicial proceedings and are being sent between judicial organs or judicial police institutions.
11.Other contraband stipulated by law.

Documents or materials listed in the preceding article hereof found in the course of handling and transporting mail shall be disposed of as follows:
1.Materials as described in subparagraphs 1 and 2 found in the post office of origin shall be returned to the sender. In the case that they are found during transmission, the said materials shall be repackaged and returned to the sender or forwarded to the addressee. The repackaging fee incurred shall be paid by the sender or the addressee.
2.Materials as described in subparagraph 4 shall be returned to the sender. If they have been sent from abroad, they shall be returned to the post office of origin.
3.Documents or materials as described in subparagraphs 3, 5, 6, 7, 9, 10 and 11 shall be delivered to the competent authorities.
4.Documents or materials as described in subparagraph 8 shall be delivered to competent authorities or returned to the sender.

Should the post office conclude that a mail contains any document or material prohibited to be mailed or other people’s mail, the post office may ask the sender or the recipient to open the mail for inspection. If the request is refused, the post office may refuse to deliver the mail. During inspection, post office staff may not read more contents exceeding the necessary scope for the inspection of the letter.

In the event that a mail contains any document or material prohibited to be mailed, or is not posted in accordance with regulations, the sender shall bear the responsibility.If the mail consequently causes damage to Chunghwa Post or other mails, Chunghwa Post may file a claim against the sender.
Although the mail item has been accepted for delivery by the post office, the sender is still liable.

With regard to banknotes, coins, gold or silver bullion, gold or sliver utensils, precious stones and jewelry, only those permitted by law can be mailed.