What is going on ?
The french financial law n° 2017-1837 of December 30th, 2017, so-called law of finances 2018, must be applied from January 1, 2018. It concerns all software called "logiciels de caisse" (cash software). It means software used to record and process sales of goods and services.
The purpose of this law is to combat VAT fraud and oblige French merchants to use, since January 1, 2018, a software that meets the requirements of inalterability, security, preservation and archiving of data for control of the tax administration.