Upon arrival at the airport, you will see the “Landing Visa Counter”. You are advised to stop at this place to get the visa into your passport before queuing in line at Passport Control for immigration checks.
At the “Landing Visa Counter”, you are required to submit your original passport + the visa approval letter + completed form NA1 (you can download the Vietnamese-visa-application-form (Form NA1) to fill, sign and attached a photo of your face on it – see Photo guide) then wait to be called for paying the stamping fee for getting your visa.
After make the payment for visa stamping fee, you will be called again to get back your passport with the visa inside.
Please remember to check information in your visa before leaving.