55 STAT.] NORTH AiMERICAN-REGiONAL BROADCASTING-JAN . 30 , 1941 (d) To make adequate arrangements immediately in the manner provided for in Paragraph (a) for the erection and operation of the necessary antenna system or other special construction required by the listings of the broadcast stations as set forth in the appendices hereto; (e) To refrain from making any new station assignments or changes in existing assignments as to location, power, frequency, or hours of operation, effective prior to March 29, 1941, which are not specifically for the purpose of complying with the listings of broadcast stations as set forth in the appendices hereto. This, however, does not preclude notification of additional assignments to be made effective after March 29, 1941. 2. In case the operation of any station in accordance with the list- ings of broadcast stations as set forth in the appendices hereto may, as a result of actual measurements, be found to cause objectionable interference in excess of the amount computed in accordance with the standards set forth in the Agreement, negotiations may be instituted to reduce the interference in accordance with the appropriate tech- nical principles thereof. 3. The radio administrations shall communicate to each other as soon as possible through the medium of the Inter-American Radio Office (O.I .R.) complete description of the directional antennas required by the listings as set forth in the appendices hereto. 4. The original of these Recommendations and their Appendices shall be deposited in the Ministry of State of the Republic of Cuba at Habana with the original of the North American Regional Broad- casting Agreement (Habana, 1937) to which it is supplemental, and certified copies of these Recommendations shall be transmitted to the Governments through their respective delegations. 5. The Governments shall communicate to each other as soon as possible by telegraph and mail through the medium of the Inter- American Radio Office (O.I .R.) their acceptance of these recom- mendations. In the absence of any notification to the Inter-American Radio Office (O.I .R.) prior to March 1, 1941, by any Government, it will be understood that the listings of broadcast stations set forth in the appendices hereto, together with all other recommendations contained in this instrument, are approved and accepted by such Government. 6. Prior to March 1, 1941, no Government shall make public the listings of broadcast stations of any other Government unless the latter shall have already made its own listings public. IN WITNESS WHEREOF, the respective representatives sign these Recommendations, in triplicate, one copy in English, one copy in Spanish and one copy in French, each of which shall be deposited in the archives of the Government of Cuba through the Department of State of the United States of America. 1399 Antenna system, etc. Restriction on sta- tion assignments. Reduction of inter- ference. Communication of description of direc- tional antennas. Deposit of original Recommendations and Appendices. Communication of acceptance. Restriction on pnb- lication of listings.
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