Tags business income Revised income tax law set for October submission Friday, Jul 04, 2025 Six main areas are under review, including taxable income definitions, tax-free income categories, and family circumstance deductions. Viettel pushes tax exemption for mobile parts Wednesday, Aug 28, 2013 Vietnamese telecommunications provider Viettel Group has submitted an official document to the Prime Minister requesting a five-year tax exemption on imported mobile phone components.