Circular No. 30/2017/TT-BTTTT dated November 15, 2017 providing for installation of public post boxes at urban areas, residential areas and cluster mailboxes at apartment buildings and office buildings
Circular No. 30/2017/TT-BTTTT dated November 15, 2017 providing for installation of public post boxes at urban areas, residential areas and cluster mailboxes at apartment buildings and office buildings