The spec for electronic invoices in Colombia was updated and is now known as Anexo 1.9. This was done in the related enterprise PR (module l10n_co_edi). This commit introduces some changes in the base module that are needed for the Anexo 1.9 update. task-3639271 closes odoo/odoo#151431 Related: odoo/enterprise#55279 Signed-off-by: Josse Colpaert <jco@odoo.com>