- x - (Table of Contents) Page 5.2 Radiocommunication (ITU-R) ....................................................................................... 142 R 1148 Status of the members of the Radio Regulations Board ..................................................... 142 R 1354 Four-year rolling Operational Plan for the Radiocommunication Sector for 2014-2017 ... 143 R 1363 Four-year rolling Operational Plan for the Radiocommunication Sector for 2015-2018 .. 143 D 535 Cost-allocation methodology .............................................................................................. 144 5.3 Telecommunication Standardization (ITU-T) ................................................................ 147 R 1155 Implementation of cost recovery for the UIPRN and UISCN registrar functions ................ 147 R 1168 Implementation of cost recovery for the AESAs Registrar Functions ................................. 147 R 1355 Four-year rolling Operational Plan for the Telecommunication Standardization Sector for 2014-2017...................................................................................................................... 148 R 1364 Four-year rolling Operational Plan for the Telecommunication Standardization Sector for 2015-2018...................................................................................................................... 148 5.4 Telecommunication Development (ITU-D) ................................................................... 150 R 1114 Regional presence ............................................................................................................... 150 R 1143 Strengthening the regional presence .................................................................................. 151 R 1183 ITU Regional Presence......................................................................................................... 155 R 1356 Four-year rolling Operational Plan for the Telecommunication Development Sector for 2014-2017 ........................................................................................................................... 155 R 1365 Four-year rolling Operational Plan for the Telecommunication Development Sector for 2015-2018 ........................................................................................................................... 156 6 EXTERNAL RELATIONS ................................................................................................. 157 6.1 ITU Membership .......................................................................................................... 157 R 88 Relations of the General Secretariat of the Union with States or administrations which are not Members of the Union ........................................................................................... 157 R 177 Circular telegrams to administrations ................................................................................. 158 R 216 Applications for Membership of the Union ........................................................................ 158