ĐT4 is capital under 3 billion VND. It is not on the TRC-eligible list, and at the same threshold the labour rules still require a work permit for owner/board roles. Two systems, one number.
Does ĐT3 skip the work permit?
Owner/board capital at or above 3 billion VND is a filed work-permit exemption. Confirm the role still fits the exemption limbs.