diff --git a/addons/account_edi_ubl_cii/models/account_edi_common.py b/addons/account_edi_ubl_cii/models/account_edi_common.py
index ce830396e3e..7f55f40559c 100644
--- a/addons/account_edi_ubl_cii/models/account_edi_common.py
+++ b/addons/account_edi_ubl_cii/models/account_edi_common.py
@@ -503,7 +503,7 @@ class AccountEdiCommon(models.AbstractModel):
 
         # quantity
         invoice_line_form.quantity = billed_qty * qty_factor
-        if product_uom_id is not None:
+        if product_uom_id is not None and not invoice_line_form._get_modifier('product_uom_id', 'invisible'):
             invoice_line_form.product_uom_id = product_uom_id
 
         # price_unit
diff --git a/addons/account_edi_ubl_cii/models/account_edi_xml_cii_facturx.py b/addons/account_edi_ubl_cii/models/account_edi_xml_cii_facturx.py
index 6b0b63ce445..c1217c279a6 100644
--- a/addons/account_edi_ubl_cii/models/account_edi_xml_cii_facturx.py
+++ b/addons/account_edi_ubl_cii/models/account_edi_xml_cii_facturx.py
@@ -225,7 +225,7 @@ class AccountEdiXmlCII(models.AbstractModel):
         # ==== currency_id ====
 
         currency_code_node = tree.find('.//{*}InvoiceCurrencyCode')
-        if currency_code_node is not None:
+        if currency_code_node is not None and self.env.user.has_group('base.group_multi_currency'):
             currency = self.env['res.currency'].with_context(active_test=False).search([
                 ('name', '=', currency_code_node.text),
             ], limit=1)
diff --git a/addons/account_edi_ubl_cii/models/account_edi_xml_ubl_20.py b/addons/account_edi_ubl_cii/models/account_edi_xml_ubl_20.py
index 913249524e0..a469d4be491 100644
--- a/addons/account_edi_ubl_cii/models/account_edi_xml_ubl_20.py
+++ b/addons/account_edi_ubl_cii/models/account_edi_xml_ubl_20.py
@@ -476,7 +476,7 @@ class AccountEdiXmlUBL20(models.AbstractModel):
         # ==== currency_id ====
 
         currency_code_node = tree.find('.//{*}DocumentCurrencyCode')
-        if currency_code_node is not None:
+        if currency_code_node is not None and self.env.user.has_group('base.group_multi_currency'):
             currency = self.env['res.currency'].with_context(active_test=False).search([
                 ('name', '=', currency_code_node.text),
             ], limit=1)
diff --git a/addons/l10n_it_edi/models/account_edi_format.py b/addons/l10n_it_edi/models/account_edi_format.py
index 6eb45e700a1..2042fb8a6bb 100644
--- a/addons/l10n_it_edi/models/account_edi_format.py
+++ b/addons/l10n_it_edi/models/account_edi_format.py
@@ -471,7 +471,7 @@ class AccountEdiFormat(models.Model):
 
                 # Currency. <2.1.1.2>
                 elements = body_tree.xpath('.//DatiGeneraliDocumento/Divisa')
-                if elements:
+                if elements and self.env.user.has_group('base.group_multi_currency'):
                     currency_str = elements[0].text
                     currency = self.env.ref('base.%s' % currency_str.upper(), raise_if_not_found=False)
                     if currency != self.env.company.currency_id and currency.active: