Belarusian passport

Belarusian passport is issued to citizens of Belarus and is used for both travelling abroad and internal use. Unlike Russia and Ukraine, there are no "internal passports" in Belarus. Passports are issued by the Ministry of Internal Affairs to those who live in Belarus and by the Ministry of Foreign Affairs to those citizens who live abroad.
"AB" series passports are assigned to Brest region, "BM" series passports - Vitebsk region, "HB" series passports - Gomel region, "KH" series passports - Grodno region, "MP" series passports - Minsk city, "MC" series passports - Minsk region, "KB" series passports - Mogilev region, "PP" series passports are assigned to the Ministry of Foreign Affairs.
Passports are issued to citizens at any age. Every citizen who gained the age of 16 years are encouraged to get a passport. Passports are reissued at 16, 25 and 45 years old age. Passports have blue covers.
Article 14 of the "Treaty of United State of Russia and Belarus creation" expects future introduction of union citizen documents.