Just upload files you want to join together, reorder them with draganddrop if you need and click join files button to merge the documents. Those liable to this tax are all natural persons who have their fiscal. Personal income tax (PIT) is a direct tax levied on the earnings of all natural persons. à l’impôt sur le revenu des personnes physiques (IRPP), la somme précomptée constitue un. PARAMETRAGE DE L’IRPP DANS LE LOGICIEL SAGE PAIE SELON LA LOI CAMEROUNAISE.