Originally Posted by hxhbk

On the loose leaf format of the visa waiver, quote from the Vietnam Ministry of Foreign Affair:

"Detached Certificate: A visa exemption certificate issued to Vietnamese people living abroad under permanent resident’s permit granted by foreign authorities and holder of passports of foreign countries or territories with which Vietnam does not have diplomatic relations.
Affair".

For a holder of current citizenship country such as the USA in my case, one would have to use the sticker format.