Article 16 of the international mailing regulations phone

I think you meant "Article 16 of the International Mail Manual"!

Article 16 of the International Mail Manual (IMM) is related to "Special Services" and specifically deals with "Phone Cards" or "Prepaid Phone Cards".

Here's a summary of Article 16:

Phone Cards

• A phone card is a prepaid card that allows the recipient to make phone calls from a payphone or other phone.
• The card is sent to the recipient as a special service item.
• The sender must affix the correct postage and complete the "Special Services" form (PS Form 2976-R) to indicate that the item is a phone card.
• The recipient must present the card at a payphone or other phone to make a call.
• The card is valid for a specific number of minutes or a specific amount of money, depending on the type of card.

Some key points to note:

• Phone cards are only available for international mail (not for domestic mail).
• The sender must ensure that the card is valid for use in the country of destination.
• The recipient must be aware of any restrictions or limitations on the use of the phone card.

If you have any specific questions or concerns about phone cards or Article 16 of the International Mail Manual, feel free to ask!