Invoice4U is a cutting-edge application designed to simplify and automate the digital invoicing process for merchants. Each time a new sales order is created, the app efficiently generates either a receipt or a receipt tax invoice based on the transaction type. The entire invoicing process is transparent and completely automated, eliminating manual intervention and reducing the likelihood of errors. Merchants can choose from a variety of predefined templates available on the Invoice4U platform; these templates automatically adjust to fit the documents issued in stores with which the app is compatible. This functionality ensures consistency and professionalism in every transaction. With Invoice4U, businesses can enhance operational efficiency, save time, and maintain accurate financial records with ease.