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So, a law in France prevents POS (point of sale) software from allowing users to modify or delete transactions and other data. To make sure they don't, software

So, a law in France prevents POS (point of sale) software from allowing users to modify or delete transactions and other data. To make sure they don't, software needs to be certified. For three years (2016–2019), open-source software couldn't be certified, but since 2019, they consider any 'major modifications' of the software by any user, including the end-user, a reason to certify that forked software. So you can use and modify open-source software for your POS, with that condition if you want to use it for professional reasons. (though I have no idea how it's enforced)

emj 4y ago
Interesting; I think this should be more or less the same all over Europe, but it apparently is not. The Swedish tax agency has never required such a certification but the manufacturer is required to self-certify the POS, in addition to that you need a serial connected certified control unit that stores all the raw receipts (actions) of the POS. Swedish info; if yo have the same for from france I would be interested. It's not easy to translate the PDF:s into something useable sadly. Webpage about this process: https://skatteverket.se/foretag/drivaforetag/kassaregister.4.121b82f011a74172e5880005263.html https://skatteverket.se/foretag/drivaforetag/kassaregister.4... Cryptographic control unit: https://www4.skatteverket.se/download/18.7d4d4f0515244e542f5a9a8/1453733038282/SKVFS%202016_1.pdf https://www4.skatteverket.se/download/18.7d4d4f0515244e542f5... Requirements of the POS: https://www4.skatteverket.se/download/18.566df4d617d171254ec3e41/1637682699152/SKVFS%202021_17.pdf https://www4.skatteverket.se/download/18.566df4d617d171254ec...