OFFICIAL LETTER 72147/CT-TTHT DATED 22 NOV 2016 OF HA NOI TAXATION DEPARTMENT GUIDING SIGNATURE, SEAL OF THE HEAD OF THE COMPANY
According to official letter 72147/CT-TTHT:
In case, VAT invoices of the company have 2 items “Sellers (sign, full name)” and “The head of the company (sign, full name)” if he/she does not sign and already authorizes in writing to sale persons, the full name of “seller” is signed in the invoices and seal on the left of the invoices.