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HONG KONG POSTAL GUIDE
245.-RADIO-TELEGRAMS OF WHICH THE RECEIPT IS TO BE ACKNOWLEDGED BY THE COAST STATION (P.C.)
(a) The sender of a radio-telegram to a ship may request that a notice of the date and time at which his radio telegram was transmitted from the Cape D'Aguilar Coast Station be notified to him.
(b) The charge for the advice which must be prepaid will be 25 cents. (c) The instruction "P.C." must be inserted before the address of the radio-telegram and be included in the chargeable number of words.
246.-RADIO-TELEGRAMS TO BE HELD AT A COAST STATION FOR FIXED NUMBER OF DAYS.
The sender of a radio-telegram destined for a ship at sea may fix the number of days during which the radio-telegram is to be held at the disposal of the ship by the coast station. In that case he should insert before the address the paid service indication "x jours" or-JX- specifying the number of days, including that on which the radio-telegram was despatched.
247.-PAID SERVICE ADVICES (S.T.)
I. Correction of or Inquiry concerning Radio-telegrams.
(a) The sender of a radio-telegram may cause instructions to be given
respecting it by radio-telegraph,
(b) The receiver of a radio-telegram from a ship may cause enquiry respecting it to be made of the Coast Station by telegraph or may obtain repetition of it by telegraph from the Coast Station, but not from the ship.
(c) Every message exchanged between two offices at the request of the sender or addressee (or an authorised representative of either) is to be regarded as a paid service message.
(d) For paid service messages correcting a radio-telegram previously transmitted to a ship the sender must pay the cost of a radio-tele- gram conveying the instructions. Such paid service messages are charged for as ordinary radio-telegrams except that the name of the ship of destination and the name of the office of origin (which is used as the name of the sender) are not charged for.
II. Cancelling Radio-telegrams.
(a) Though transmission of a radio-telegram has been completed to the next station, an attempt may be made at the request of the sender to stop the message before it reaches the addressee at the cost of a paid service message.
(b) If the original radio-telegram has been delivered before the cancell- ing service message reaches the ships of destination. the addressee is, in the ordinary course, informed of the arrival of the cancelling message.
If the sender does not wish the addressee to be thus informed, he must pay for the addition of the words "not inform addressee" to the service-message.