- 28/4/2000: The Ordinance No. 24/2000/PL-UBTVQH10 approved & signed by Mr. Nong Duc Manh – Chairman of Vietnam National Assembly
- 28/5/2001: DECREE NO. 21/2001/ND-CP detailing the implementation of the Ordinance on Entry, Exit and Residence of Foreigners in Vietnam approved & signed by Prime Minister Phan Van Khai
- 29/1/2002: The Joint Circular No. 04/2002/TTLT/BCA-BNG of the Ministry of Public Security and the Ministry of Foreign Affairs guiding the implementation of the Government’s Decree No. 21/2001/ND-CP