Do I need to submit my business registration and tax ID when applying for a visa as a self-employed individual in Ho Chi Minh?

The user is inquiring about the necessity of submitting business registration and tax ID documents for their visa application in Ho Chi Minh, as a self-employed individual. They have several supporting documents like bank statements and client contracts and seek advice on any additional documentation that could expedite their visa approval process. Community responses suggest that while business registration and potentially a tax return are beneficial, there's flexibility in the documentation required. A brief outline of the business could also be helpful.