Personal income tax in silverfin allows you to prepare your tax calculation by gathering data from your customer via a smart questionnaire which is linked to the working papers, TOW, MMF. Afterwards you only need to review and complete if necessary and submit it by xml to the tax authorities. The configuration box in some template on firm level allows you to set default questions in the questionnaire for your firm which make the flow to gather the data for the personal income tax even smoother.