According to the Agreement between the Government of Vietnam and the Government of Indonesia on visa exemption for ordinary passport holders (signed June 26, 2003, effective force on December 4, 2003):
Agreement between Vietnam and France regarding visa exemption for short stays on a reciprocal basis for diplomatic passport holders. Signed on October 6, 2004, and effective from July 1, 2005.
On March 31, 2011, the Vietnamese and Salvadoran governments signed an agreement allowing visa exemption for diplomatic and official passport holders. The agreement became effective on May 30, 2011.