Can participants in proceedings at the Vietnamese Court speak English?

Pursuant to Article 29 of the Criminal Procedure Code 2015, the regulations on spoken and written language for criminal procedure are as follows:

Vietnamese is the spoken and written language for criminal procedure. Participants in proceedings are permitted to speak and write in their native languages, in the mandatory presence of a translator.

Therefore, it can be seen that the defendant is a participant in the procedure and the principle that the participant has the right to use the voice and writing of his/her ethnic group, in this case, an interpreter must be provided. So in this case, foreigners can use their English but must have a Vietnamese translation.

Best Regards!