Below are the four authentication levels, with mandatory registration required by businesses before June 30, 2025, in accordance with Decree 69/2024/ND-CP.

One file only.
100 MB limit.
Allowed types: txt, pdf, doc, docx, ppt, pptx, xls, xlsx.
10 MB limit per form.
One file only.
100 MB limit.
Allowed types: txt, pdf, doc, docx, ppt, pptx, xls, xlsx.
10 MB limit per form.