Macau Post and Telecommunications,[a] most commonly known as CTT,[1] is an entity under the Government of Macao responsible for postal services and telecommunications regulation.'Post, Telegraph and Telephone') during the colonial period of Macao.[2] Prior to the handover of Macau from Portugal to China in 1999, Macau postage stamps bore the Portuguese words REPÚBLICA PORTUGUESA (i.e., the 'Portuguese Republic'), but now bear the Portuguese words MACAU, CHINA.The Postal service is headed by a Director with two sub-directors.Postal Stations are referred to as Branches with fifteen spread across Macao: CTT post boxes are red in colour as was the case in Hong Kong before 1997.