63 STAT.] MULTILATERALTELECOMMUNICATIONS-OCT. 2 , 1947 1451 the radio services or communications of other Members or Associate Members or of recognized private operating agencies, or of other duly authorized operating agencies which carry on radio service, and which operate in accordance with the provisions of the Radio Regulations. Post p. 1581 . 2. Each Member or Associate Member undertakes to require the private operating agencies which it recognizes and the other operat- ing agencies duly authorized for this purpose, to observe the provisions of the preceding paragraph. 3. Further, the Members and Associate Members recognize the de- sirability of taking all practicable steps to prevent the operation of electrical apparatus and installations of all kinds from causing harm- ful interference to the radio services or communications mentioned in paragraph 1 of this Article. Article 46 Distress Calls and Messages 1. Radio stations shall be obliged to accept, with absolute priority, distress calls and messages regardless of their origin, to reply in the same manner to such messages, and immediately to take such action in regard thereto as may be required. 2. The international telegraph and telephone services must accord absolute priority to communications concerning safety of life at sea or in the air. Article 46 False or Deceptive Distress or Safety Signals, Irregular Use of Call Signs Members and Associate Members agree to take the steps required to prevent the transmission or circulation of false or deceptive dis- tress or safety signals and the use, by a station, of call signs which have not been regularly assigned to it. Article 47 Installations for National Defence Services 1. Members and Associate Members retain their entire freedom with regard to military radio installations of their army, naval and air forces. 2. Nevertheless, these installations must, so far as possible, observe regulatory provisions relative to giving assistance in cases of distress and to the measures to be taken to prevent harmful interference, and the provisions of the Regulations concerning the types of emission and the frequencies to be used, according to the nature of the service performed by such installations. 3. Moreover, when these installations take part in the service of public correspondence or other services governed by the Regulations 81939-52-PT . II- -11
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