Yes. If your business activity is taxed on general terms according to the tax scale, you can settle revenue from employment and that from business activity on the PIT-36 form.
If you have chosen another taxation method and do not earn other revenue, you can settle your revenue from employment on the PIT-37 form. Depending on the chosen taxation method, you can settle revenue from business activity:
- on the PIT-36L form in the case of flat tax, or
- on PIT-28 form in the case of lump-sum tax on recorded revenue.