diff --git a/addons/l10n_be/wizard/l10n_be_vat_intra.py b/addons/l10n_be/wizard/l10n_be_vat_intra.py
index f784d3953e8..f409a269aa4 100644
--- a/addons/l10n_be/wizard/l10n_be_vat_intra.py
+++ b/addons/l10n_be/wizard/l10n_be_vat_intra.py
@@ -165,7 +165,10 @@ class partner_vat_intra(osv.osv_memory):
                         'comments': comments,
                         'issued_by': issued_by,
                         })
-        
+        #tax code 44: services
+        #tax code 46L: normal good deliveries
+        #tax code 46T: ABC good deliveries
+        #tax code 48xxx: credite note on tax code xxx
         codes = ('44', '46L', '46T', '48s44', '48s46L', '48s46T')
         cr.execute('''SELECT p.name As partner_name, l.partner_id AS partner_id, p.vat AS vat, 
                       (CASE WHEN t.code = '48s44' THEN '44'