diff --git a/.gitignore b/.gitignore
index f850e79..e6db0be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,7 +13,6 @@ source/media
 
 # Sphinx documentation
 docs/
-*.ods
 *.xlsx
 
 credenciales.conf
diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index baff914..6728ba3 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -1566,6 +1566,7 @@ class ImportFacturaLibre(object):
             '-10': 0.10,
             '0': 0.0,
             '-2/3': 0.666667,
+            '-0.5': 0.005,
         }
 
         data = []
diff --git a/source/app/models/main.py b/source/app/models/main.py
index d22167f..ce1296c 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -3755,6 +3755,7 @@ def _importar_facturas(rows):
         except IntegrityError as e:
             msg = '\tFactura: id: {}'.format(row['serie'] + str(row['folio']))
             log.error(msg)
+
     log.info('\tFacturas importadas...')
     return
 
diff --git a/source/templates/plantilla_factura.ods b/source/templates/plantilla_factura.ods
new file mode 100644
index 0000000..df899a1
Binary files /dev/null and b/source/templates/plantilla_factura.ods differ