Сторінка: https://www.drs.gov.ua/analysis_projects/nakaz-administratsiyi-derzhavnoyi-sluzhby-spetsialnogo-zv-yazku-ta-zahystu-informatsiyi-ukrayiny-pro-vnesennya-zminy-dodatka-10-instruktsiyi-z-obroblennya-telegram-operatoramy-provajderamy-telek/attachment/5249-vid-15-08-2016/