Vietnam investor visa explained: how DT1 to DT4 map to capital contribution, validity from 12 months to 5 years, documents proving the investment and when a residence card is possible.
VISA EXTENSION – INVESTOR (DT)
Extend your Vietnam visa without leaving the country: eligibility by visa symbol (DL, DN, LD, DT, TT), required documents, government fees, processing time and service cost.

