From bee39e88d630e6e8404f9645ee3009f1687fc226 Mon Sep 17 00:00:00 2001
From: sergiocorato <sergiocorato@gmail.com>
Date: Tue, 17 Sep 2024 14:56:00 +0200
Subject: [PATCH 1/2] [IMP] add field previous_year_credit to set VP9
 account_vat_period_end_statement

---
 account_vat_period_end_statement/models/account.py   |  1 +
 .../views/account_view.xml                           | 12 ++++++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/account_vat_period_end_statement/models/account.py b/account_vat_period_end_statement/models/account.py
index 9119093f0e1c..6974282a0eef 100644
--- a/account_vat_period_end_statement/models/account.py
+++ b/account_vat_period_end_statement/models/account.py
@@ -821,6 +821,7 @@ class StatementGenericAccountLine(models.Model):
     statement_id = fields.Many2one("account.vat.period.end.statement", "VAT statement")
     amount = fields.Float("Amount", required=True, digits="Account")
     name = fields.Char("Description")
+    previous_year_credit = fields.Boolean("Previous year credits")
 
 
 class AccountTax(models.Model):
diff --git a/account_vat_period_end_statement/views/account_view.xml b/account_vat_period_end_statement/views/account_view.xml
index 75659e405307..6bf2eba34845 100644
--- a/account_vat_period_end_statement/views/account_view.xml
+++ b/account_vat_period_end_statement/views/account_view.xml
@@ -181,12 +181,16 @@
                                 <tree editable="bottom">
                                     <field name="account_id" />
                                     <field name="name" />
+                                    <field name="previous_year_credit" />
                                     <field name="amount" />
-                               </tree>
+                                </tree>
                                 <form>
-                                    <field name="account_id" />
-                                    <field name="name" />
-                                    <field name="amount" />
+                                    <group>
+                                        <field name="account_id" />
+                                        <field name="name" />
+                                        <field name="previous_year_credit" />
+                                        <field name="amount" />
+                                    </group>
                                </form>
                             </field>
                         </group>

From 777aca5b425f2ba4ae6fe1b5cae25f0ca34d9c79 Mon Sep 17 00:00:00 2001
From: sergiocorato <sergiocorato@gmail.com>
Date: Tue, 17 Sep 2024 14:57:27 +0200
Subject: [PATCH 2/2] [IMP] l10n_it_vat_statement_communication set VP9 value

---
 .../models/comunicazione_liquidazione.py               | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/l10n_it_vat_statement_communication/models/comunicazione_liquidazione.py b/l10n_it_vat_statement_communication/models/comunicazione_liquidazione.py
index 427c7ae36216..6919c1d28d45 100644
--- a/l10n_it_vat_statement_communication/models/comunicazione_liquidazione.py
+++ b/l10n_it_vat_statement_communication/models/comunicazione_liquidazione.py
@@ -687,6 +687,12 @@ def compute_from_liquidazioni(self):
                 # 2 - Decremento iva detratta con righe negative
                 for line in liq.generic_vat_account_line_ids:
                     if line.amount > 0:
-                        quadro.iva_esigibile -= line.amount
+                        if line.previous_year_credit:
+                            quadro.credito_anno_precedente -= line.amount
+                        else:
+                            quadro.iva_esigibile -= line.amount
                     else:
-                        quadro.iva_detratta += line.amount
+                        if line.previous_year_credit:
+                            quadro.credito_anno_precedente += line.amount
+                        else:
+                            quadro.iva_detratta += line.amount