ANNEX INSTRUCTIONS FOR DEALING WITH MESSAGES ADDRESSED TO FIXED STATIONS IN THE U.K. FROM STATIONS IN ENEMY COUNTRIES On receipt of a call emanating from a Station in an Enemy Country and addressed to a Station in this country, the following procedure shall be observed:1. The Operator shall (a) make the usual routine reply (according to the procedure being used, if possible). (b) On receipt of a message the following phrase will be sent "Message received, Call again tomorrow same time and frequency".