The Immediate Supply of Information or also known as SII is a VAT management system based on, as its name indicates, the immediate supply of information, where those obliged to choose this route or have the obligation to do so, must register with the Tax Agency all the details of the billing record that is carried out in the exercise of its economic activity.

Late payment interest Late payment interest is an important financial concept that affects various areas, such as loans, payments to suppliers or taxes. … Read more