In one investment project the entrepreneur can use different sources of public aid, not only the income tax exemption but amongst others also European donations, government grants, co-financing the creation of new jobs, real estate tax exemptions.
All this support can be combined freely but one must remember that the accumulation of these funds cannot cross the maximal intensity of public aid (see: chart showing the amount of regional investment aid for provinces in which Wałbrzych Special Economic Zone operates).
|Size of enterprise||Lubuskie and Opolskie Province||Dolnośląskie and Wielkopolskie Province|
|large||up to 35%||up to 25%|
|medium||up to 45%||up to 35%|
|small and micro||up to 55%||up to 45%|
General rules of accumulating public aid: