How a file is built, and where it stops
1. The certificate expires before the filing date
A certificate must still be valid on the day the file is submitted, not only on the day the factory issued it. Collecting documents for six weeks and then filing with a certificate that expired last week means starting again.
2. The company name does not match letter by letter
The name on the free sale certificate, on the appointment letter and on the invoice must be identical. An abbreviation, a missing Co., Ltd. or a different transliteration is enough for an officer to ask for a corrected document.
3. Photographs instead of scans
A phone photograph taken at an angle, with a shadow across the seal, is not a document. Ask for a colour scan at 300 dpi or higher, saved as PDF, with every page in one file and in the right order.
4. A formula without percentages
An ingredient list in descending order is not enough for a cosmetic or a supplement file. The percentage of each ingredient is what lets us check the restricted substances and the permitted limits before filing.
5. Claims that the category does not allow
Packaging is often printed before the file is even opened. If the artwork promises to cure, prevent or treat, the product may be pushed into the medical device or medicine route, and the printed boxes become waste.
6. The wrong importer of record
The registration is issued in the name of the company that files it. If the appointment letter names a trading partner rather than your own Thai company, the number belongs to them, and moving it later takes a new application.
7. A power of attorney without witnesses
For TISI files in particular, the power of attorney needs the right signatures, witnesses and stamp duty. A missing witness line is a small detail that stops a file worth several months of work.