1. disable document types that are not available https://www.afip.gob.ar/libro-iva-digital/documentos/Libro-IVA-Digital-Tablas-del-Sistema.pdf (remove "internal_type" value) 2. Add prefix and purchase_aliquots for every document type that usable (has an internal_type value) 3. Enable liquidacion primaria/secundaria de granos closes odoo/odoo#80808 X-original-commit: 2cd1b449be537c545c153434536ddaae9975b717 Signed-off-by: Josse Colpaert <jco@odoo.com>