41.—(1) The privilege conferred by section 40 shall not be infringed by —
(a)
letters or postcards or both not exceeding 3 in number sent by a person for delivery by the person to another without hire, reward or other profit for receiving, carrying or delivering them;
(b)
any letter or postcard solely concerning the affairs of the sender or receiver thereof, sent by a messenger employed for that purpose; and
(c)
any letter or postcard solely concerning any goods or other property which is to be delivered with the letter or postcard, without hire, reward or other profit for receiving, carrying or delivering the letter or postcard, if the letter or postcard is open to inspection and has thereon the words “Consignee’s letter” or other words to the same effect.
(2) The following persons shall not collect, carry, tender or deliver any letter or postcard for the purpose of carrying or delivering it, whether or not for hire, reward or other profit:
(a)
a common carrier of passengers or goods and his drivers, employees or agents except as regards letters or postcards solely concerning goods in his vehicles or conveyances; and
(b)
owners or masters of vessels or aircraft passing to or from any port or place within Singapore from or to any port or place and their employees or agents, except as regards letters or postcards solely concerning goods on board, the letters or postcards being open to inspection and having the words “Consignee’s letter” or other words to the same effect superscribed thereon, and except letters or postcards tendered to a master of a vessel or aircraft by any employee or agent of a public postal licensee for conveyance.