- OL No. 89924/CT-TTHT – Guidance on salary and other expenses arising by effection of the COVID epidemic
 - OL No. 85109/CT-TTHT – Foreign Contractor Tax on transfer of ownership in bonded warehouses
 - Decree No. 123/2020/ND-CP -Invoices and documents takes effect from 1 July 2022
 - Decree No. 125/2020/ND-CP – The sanction on administrative violations of tax and invoices