| Official letter No. 3991/TCT-CS 12/11/2012 Of the General Department of Taxation About the Corporate Income Tax |
| Official letter 3842/TCT-CS issued on 02 november 2012 by gdt replying on cit policy |
| Official letter no. 3834/TCT-CS dated 01 november 2012 of gdt replying to policy of cit |
| Official letter 3762/tct-cs issued on 29 October 2012 by GDT on late tax payment |
| Official letter No. 3181/TCT-CS released on 5th September, 2012 about corporate income tax policy
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| Official letter No.3114/TCT-CS released on 30th August, 2012 about guiding financial statement preparation, CIT settlement for equitized state-owned enterprises.
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| Official letter No.2550/TCT-CS on 18th July, 2012 responding to CIT policy
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| Official letter No.1113/TCT-CS on 29th March, 2012 responding to CIT policy
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| Official letter No.580/TCT-CS on 22nd February, 2012 about CIT for income from software license
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| Official letter No.347/TCT-CS on 4th February, 2012 about CIT settlement in 2011
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