Fonte:
http://www.dgci.min-financas.pt/NR/rdonlyres/69F4EBE0-6AD4-42DC-A6B2-01C7615E9B4C/0/IV-T120_2004001_suplementos_alimentares.pdf
http://www.dgci.min-financas.pt/NR/rdonlyres/01C9D5EA-57E9-4131-87FA-A4856B365FC8/0/IV-F055_2005158-Locacao_financeira.pdf
http://www.dgci.min-financas.pt/NR/rdonlyres/75A6C70D-020F-41A2-9BEA-E44BD72837AF/0/IV-T120_2004036-%20Produtos_a_base_carne.pdf
http://www.dgci.min-financas.pt/NR/rdonlyres/72166756-CCB1-4F84-9688-6645DC326E56/0/IV-T120_2006355-crackers.pdf
