Nghị định 56/1999/NĐ-CP

To dissolve Tan Trao farm township of Son Duong district whose inhabitants currently living in Minh Thanh, Tu Thinh, Phuc Ung, Binh Yen, Thuong Am and Tan Trao communes and Son Duong township are now subject to the management by such communes and township.

To dissolve Song Lo farm township of Yen Son district whose inhabitants currently living in An Tuong, Nhu Khe, Doi Binh, An Khang, Thang Quan, Thai Long, Luong Vuong, Hoang Khai and Doi Can communes and Tan Binh township are now subject to the management by such communes and township.

To dissolve Thang 10 (October) farm township of Yen Son district, whose inhabitants currently living in My Bang, Phu Lam, Nhu Han and Kim Phu communes are now subject to the management by such communes.

To divide Duc Xuan commune of Na Hang district into Xuan Tuan and Xuan Tien communes. Xuan Tuan commune has a land area of 7,600 ha and a population of 2,353 while Xuan Tien commune has a land area of 5,434 ha and a population of 1,903.

To divide Yen Huong commune of Ham Yen district into Yen Lam and Yen Phu communes. Yen Lam commune has a land area of 12,800 ha and a population of 2,893 while Yen Phu commune has a land area of 8,450 ha and a population of 6,263.

To divide An Khe commune of Yen Son district into Nhu Han and Nhu Khe communes. Nhu Han commune has a land area of 2,152 ha and a population of 4,400 while Nhu Khe commune has a land area of 1,685 ha and a population of 4,600.- (Summary)