(3.2021) Appointment of person in charge of information disclosure
https://file.hstatic.net/1000223142/file/cbtt-_uy_quyen_cong_bo_thong_tin_b2296d86c13a4e308598f1bbf97b8530.pdf
https://file.hstatic.net/1000223142/file/cbtt-_uy_quyen_cong_bo_thong_tin_b2296d86c13a4e308598f1bbf97b8530.pdf