On August 2nd, 2019, General Department of Tax issued the Official Letter No.3042/TCT-CS. Whereby:
In principle, an Enterprise whose project of investment is given CIT incentives because it is located in a favored area, then incomes given CIT incentives are those derived from business activities within such area, except for the incomes which are not given CIT incentives under the provisions of the CIT Law (such as project transfer, real estate transfer, mineral exploitation, production and trading of goods and services which are subject to special excise tax).
In case the Enterprise which is operating and has been given CIT incentives from additional business lines but do not increase its capital or carry out any investment expansion to increase its assets, then income from commercial activities of additional business lines shall not be entitled to CIT incentives.