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Operational Bulletin

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Operational Bulletin (2025 editions)
 Operational Bulletin No. 1321 (1.VIII.2025)
 Operational Bulletin No. 1320 (15.VII.2025)
 Operational Bulletin No. 1319 (1.VII.2025)
 Operational Bulletin No. 1318 (15.VI.2025)
 Operational Bulletin No. 1317 (1.VI.2025) and Annexed List:
List of Data Network Identification Codes (DNIC) (According to ITU-T Recommendation X.121 (10/2000)) (Position on 1 June 2025)
 Operational Bulletin No. 1316 (15.V.2025)
 Operational Bulletin No. 1315 (1.V.2025)
 Operational Bulletin No. 1314 (15.IV.2025)
 Operational Bulletin No. 1313 (1.IV.2025)
 Operational Bulletin No. 1312 (15.III.2025)
 Operational Bulletin No. 1311 (1.III.2025)
 Operational Bulletin No. 1310 (15.II.2025)
 Operational Bulletin No. 1309 (1.II.2025)
 Operational Bulletin No. 1308 (15.I.2025)
 Operational Bulletin No. 1307 (1.I.2025)
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