According to the Agreement between the Government of Vietnam and the Government of Liberia on visa exemption for holders of diplomatic passports and official passports, signed on December 8, 2017, effective from February 6, 2018:
Have agreed as follows:
Article 1
Article 2
On October 13, 2012, the Government of Vietnam and the Government of Kuwait signed an agreement that exempts the holders of diplomatic or official passports from obtaining visas. The agreement became effective on April 24, 2013.
The governments of Kazakhstan and Vietnam have recently approved an agreement that exempts citizens of both countries from visa requirements. The agreement was issued on June 13, 2023, and came into immediate effect.