Steps to reproduce: 1. install l10n_br and set up a Brazilian company with Brazilian customers 2. go to validate a sale as a Brazilian customer 3. fill in the CPF field w/ 11 digit number 4. error: "invalid CNPJ. Make sure that the CNPJ number is 14 digits" Issue: the code only accepts and validates CNPJ codes Fix: add support for CPF codes with its validation function according to: http://www.receita.fazenda.gov.br/aplicacoes/atcta/cpf/funcoes.js opw-3421476 closes odoo/odoo#137438 X-original-commit: 23a0ca6386590b6dfdbe24602a1a717bfdd84965 Signed-off-by: Cedric Snauwaert <csn@odoo.com> Signed-off-by: Séna Serge Nshimiyimana (sesn) <sesn@odoo.com>