In Peru, both B2B and B2C e-Invoicing is already mandatory. According to Superintendence Resolution No. 279-2019/SUNAT, you can find the threshold values which are expanding gradually. By June 2022, the last group of taxpayers were included in the obligation and the country’s e-Invoicing system will be completed. Peru electronic invoice system is named Sistema de Emisión Electrónica(SEE).
Source: sni