Official letter No.1333/CT-TTHT dated 19 August 2013 of Long An taxation department in guidance of VAT deductions, deductible expenses of land leasing contract before estalishment of an enterprise.

Official letter No.2732/TCT-CS dated 20 August2013 of GDT in guidance of tax policy for job severance

Official letter No.2372/TCT-CS in guidance of cit for promotion

Oficial letter No.9877/BTC-TCT in guidance of CIT for extention invesment project

Decree No.92/2013/NĐ-CP in guidance of law on amending, adding some provisions of laws on CIT and VAT effective from 01 July 2013

The oficial letter No. 2389/TCT-CS dated 26 July 2013 of GDT in Guidance of cit policy about loan interest

The Official letter No. 2016/TCT-DNL dated 19 June 2013 of GDT in guidance of tax policy for gifts, donations

Law No. 32/2013/QH13 in guidance of amendment and addition to some provisions of Law on CIT

The official letter No. 8336/BTC-CST dated 28 June 2013 of MOF in guidance of amendment and addition to Law on CIT, VAT (effective from 01 July 2013)

The official letter no. 933/CT-TTHT dated 18 june 2013 of Long An taxation department in guidance of acommodation charges for foreign experts