According to https://www.impots.gouv.fr/portail/files/formulaires/3310-ca3-sd/2018/3310-ca3-sd_2076.pdf, for TVA EU you should also add the value of the tax in the line 20. closes odoo/odoo#80818 X-original-commit: 8406e25ff20224f9d169233d39d2cdf6f85c5507 Signed-off-by: Quentin De Paoli <qdp@odoo.com> Signed-off-by: Olivier Colson <oco@odoo.com>