What are regulations on visa duration for foreign tourists to enter Vietnam? What are conditions for visa issuance to enter Vietnam? Mr. Faulen applied for visa issuance to enter Vietnam for tourism. The valid time printed on the visa is from November 3rd 2014 to February 3rd 2015. He asked if he could extend the duration of his visa until March 31th 2015. What are regulations on visa duration for foreign tourists to enter Vietnam? What are conditions for visa issuance to enter Vietnam? Looking forward to your consultancy. Thank you!