Nghị định 25/2003/NĐ-CP

To establish Ma Da commune on the basis of a natural land area of 40,078.47 ha and a population of 6,595 of Vinh An township. Vinh An township shall be left with a natural land area of 3,446 ha and a population of 19,506.

To establish Hieu Liem commune on the basis of a natural land area of 21,379.55 ha and a population of 3,870 of Tri An commune. Tri An commune shall be left with a natural land area of 1,302 ha and a population of 3,119.- (Summary)