If you want to apply for your visa via e-visa correctly and successfully, you should need these requirements mentioned below. Minimum six-month validity passport.
The Vietnam e-visa for citizens of the Czech Republic will be valid for 30 days from your arrival in Vietnam. It’s a single-entry visa and this means you can only use it to enter the country once. Even if you are re-entering within 30 days of your first entry, you will not be allowed entry since the e-visa is not valid for a multiple-entry option.
The biggest advantage of the Vietnam e-visa is that you can apply for this visa anywhere you are in the world. All you need to do is to connect to the Internet.
Citizens of Czech Republic are required to have a visa to enter Vietnam. Citizens of Czech Republic are advised to find below for options to get a visa for Vietnam: 1.