diff --git a/addons/account/models/account_move.py b/addons/account/models/account_move.py
index 3aab065ed2c..8825ca162d3 100644
--- a/addons/account/models/account_move.py
+++ b/addons/account/models/account_move.py
@@ -316,6 +316,9 @@ class AccountMove(models.Model):
     tax_lock_date_message = fields.Char(
         compute='_compute_tax_lock_date_message',
         help="Technical field used to display a message when the invoice's accounting date is prior of the tax lock date.")
+    display_inactive_currency_warning = fields.Boolean(
+        compute="_compute_display_inactive_currency_warning",
+        help="Technical field used for tracking the status of the currency")
     # Technical field to hide Reconciled Entries stat button
     has_reconciled_entries = fields.Boolean(compute="_compute_has_reconciled_entries")
     show_reset_to_draft_button = fields.Boolean(compute='_compute_show_reset_to_draft_button')
@@ -1355,6 +1358,11 @@ class AccountMove(models.Model):
                     vendor_display_name = _('#Created by: %s', move.sudo().create_uid.name or self.env.user.name)
             move.invoice_partner_display_name = vendor_display_name
 
+    @api.depends('currency_id')
+    def _compute_display_inactive_currency_warning(self):
+        for move in self.with_context(active_test=False):
+            move.display_inactive_currency_warning = not move.currency_id.active
+
     def _compute_payments_widget_to_reconcile_info(self):
         for move in self:
             move.invoice_outstanding_credits_debits_widget = json.dumps(False)
@@ -2404,6 +2412,10 @@ class AccountMove(models.Model):
             if move.is_invoice(include_receipts=True) and float_compare(move.amount_total, 0.0, precision_rounding=move.currency_id.rounding) < 0:
                 raise UserError(_("You cannot validate an invoice with a negative total amount. You should create a credit note instead. Use the action menu to transform it into a credit note or refund."))
 
+            if move.display_inactive_currency_warning:
+                raise UserError(_("You cannot validate an invoice with an inactive currency: %s",
+                                  move.currency_id.name))
+
             # Handle case when the invoice_date is not set. In that case, the invoice_date is set at today and then,
             # lines are recomputed accordingly.
             # /!\ 'check_move_validity' must be there since the dynamic lines will be recomputed outside the 'onchange'
@@ -2769,6 +2781,9 @@ class AccountMove(models.Model):
         action['res_id'] = self.copy().id
         return action
 
+    def action_activate_currency(self):
+        self.currency_id.filtered(lambda currency: not currency.active).write({'active': True})
+
     @api.model
     def _move_dict_to_preview_vals(self, move_vals, currency_id=None):
         preview_vals = {
diff --git a/addons/account/tests/test_account_move_entry.py b/addons/account/tests/test_account_move_entry.py
index 6b78445e442..2689cacf119 100644
--- a/addons/account/tests/test_account_move_entry.py
+++ b/addons/account/tests/test_account_move_entry.py
@@ -745,3 +745,25 @@ class TestAccountMove(AccountTestInvoicingCommon):
         # You can remove journal items if the related journal entry is draft.
         self.test_move.button_draft()
         self.test_move.line_ids.unlink()
+
+    def test_account_move_inactive_currency_raise_error_on_post(self):
+        """ Ensure a move cannot be posted when using an inactive currency """
+        move = self.env['account.move'].create({
+            'move_type': 'in_invoice',
+            'partner_id': self.partner_a.id,
+            'invoice_date': fields.Date.from_string('2019-01-01'),
+            'currency_id': self.currency_data['currency'].id,
+            'invoice_payment_term_id': self.pay_terms_a.id,
+            'invoice_line_ids': [{}]
+        })
+
+        move.currency_id.active = False
+
+        with self.assertRaises(UserError), self.cr.savepoint():
+            move.action_post()
+
+        # Make sure that the invoice can still be posted when the currency is active
+        move.action_activate_currency()
+        move.action_post()
+
+        self.assertEqual(move.state, 'posted')
diff --git a/addons/account/views/account_move_views.xml b/addons/account/views/account_move_views.xml
index 6ff7f1c9e2d..6c83724046b 100644
--- a/addons/account/views/account_move_views.xml
+++ b/addons/account/views/account_move_views.xml
@@ -523,7 +523,7 @@
                                 attrs="{'invisible': ['|', '|', ('state', '!=', 'draft'), ('auto_post', '=', True), ('move_type', '!=', 'entry')]}"/>
                         <button name="action_post" string="Confirm" class="oe_highlight"
                                 type="object" groups="account.group_account_invoice"
-                                attrs="{'invisible': ['|', '|', ('state', '!=', 'draft'), ('auto_post', '=', True), ('move_type', '=', 'entry')]}"/>
+                                attrs="{'invisible': ['|', '|', '|', ('state', '!=', 'draft'), ('auto_post', '=', True), ('move_type', '=', 'entry'), ('display_inactive_currency_warning','=',True)]}"/>
                         <!-- Send (only invoices) -->
                         <button name="action_invoice_sent"
                                 type="object"
@@ -562,24 +562,33 @@
                     </header>
                     <!-- Invoice outstanding credits -->
                     <div groups="account.group_account_invoice,account.group_account_readonly"
-                         class="alert alert-warning" role="alert" style="margin-bottom:0px;"
+                         class="alert alert-warning mb-0" role="alert"
                          attrs="{'invisible': ['|', ('state', '!=', 'draft'), ('tax_lock_date_message', '=', False)]}">
                         <field name="tax_lock_date_message" nolabel="1"/>
                     </div>
                     <div groups="account.group_account_invoice,account.group_account_readonly"
-                         class="alert alert-info" role="alert" style="margin-bottom:0px;"
+                         class="alert alert-info mb-0" role="alert"
                          attrs="{'invisible': ['|', '|', ('move_type', 'not in', ('out_invoice', 'out_refund')), ('invoice_has_outstanding', '=', False), ('payment_state', 'not in', ('not_paid', 'partial'))]}">
                         You have <bold><a class="alert-link" href="#outstanding" role="button">outstanding payments</a></bold> for this customer. You can allocate them to mark this invoice as paid.
                     </div>
                     <div groups="account.group_account_invoice,account.group_account_readonly"
-                         class="alert alert-info" role="alert" style="margin-bottom:0px;"
+                         class="alert alert-info mb-0" role="alert"
                          attrs="{'invisible': ['|', '|', ('move_type', 'not in', ('in_invoice', 'in_refund')), ('invoice_has_outstanding', '=', False), ('payment_state', 'not in', ('not_paid', 'partial'))]}">
                         You have <bold><a class="alert-link" href="#outstanding" role="button">outstanding debits</a></bold> for this vendor. You can allocate them to mark this bill as paid.
                     </div>
-                    <div class="alert alert-info" role="alert" style="margin-bottom:0px;"
+                    <div class="alert alert-info mb-0" role="alert"
                          attrs="{'invisible': ['|', ('state', '!=', 'draft'), ('auto_post', '=', False)]}">
                         This move is configured to be posted automatically at the accounting date: <field name="date" readonly="1"/>.
                     </div>
+                    <!-- Currency consistency -->
+                    <div class="alert alert-warning mb-0" role="alert"
+                         attrs="{'invisible': ['|', ('display_inactive_currency_warning', '=', False), ('move_type', 'not in', ('in_invoice', 'in_refund', 'in_receipt'))]}">
+                        In order to validate this bill, you must <button class="oe_link" type="object" name="action_activate_currency" style="padding: 0; vertical-align: baseline;">activate the currency of the bill</button>. The journal entries need to be computed by Odoo before being posted in your company's currency.
+                    </div>
+                    <div class="alert alert-warning mb-0" role="alert"
+                         attrs="{'invisible': ['|', ('display_inactive_currency_warning', '=', False), ('move_type', 'not in', ('out_invoice', 'out_refund', 'out_receipt'))]}">
+                        In order to validate this invoice, you must <button class="oe_link" type="object" name="action_activate_currency" style="padding: 0; vertical-align: baseline;">activate the currency of the invoice</button>. The journal entries need to be computed by Odoo before being posted in your company's currency.
+                    </div>
                     <sheet>
                         <div name="button_box" class="oe_button_box">
                             <button name="open_reconcile_view"
@@ -626,6 +635,7 @@
                         <field name="has_reconciled_entries" invisible="1"/>
                         <field name="restrict_mode_hash_table" invisible="1"/>
                         <field name="country_code" invisible="1"/>
+                        <field name="display_inactive_currency_warning" invisible="1"/>
 
                         <div class="oe_title">
                             <!-- Invoice draft header -->