OCA · AungKoKoLin1997 · Jun 8, 2026
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/README.rst b/l10n_jp_summary_invoice_untaxed_unrounded/README.rst
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+=======================================
+Japan Summary Invoice Untaxed Unrounded
+=======================================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:50bb0286793da755949b0349e8745c0f49f3886aa96e37d243a7a59c04ec6c2c
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fl10n--japan-lightgray.png?logo=github
+    :target: https://github.com/OCA/l10n-japan/tree/18.0/l10n_jp_summary_invoice_untaxed_unrounded
+    :alt: OCA/l10n-japan
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/l10n-japan-18-0/l10n-japan-18-0-l10n_jp_summary_invoice_untaxed_unrounded
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/l10n-japan&target_branch=18.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+On the summary invoice report, per-line subtotals and the per-invoice
+"Amount Untaxed" are shown with the currency precision. Under **Round
+Globally** tax rounding with a zero-decimal currency (such as JPY), this
+rounding can hide decimals, so the displayed amounts no longer reconcile
+with the invoice untaxed total.
+
+This bridge module applies the unrounded disclosure provided by
+``account_invoice_report_untaxed_unrounded`` to the summary invoice
+report: the per-line subtotal (``price_subtotal_unrounded``) and the
+per-invoice untaxed amount (``amount_untaxed_unrounded``) are shown at
+full precision, formatted with the per-company *Untaxed Unrounded
+Digits*.
+
+It installs automatically when both ``l10n_jp_summary_invoice`` and
+``account_invoice_report_untaxed_unrounded`` are present.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/l10n-japan/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/l10n-japan/issues/new?body=module:%20l10n_jp_summary_invoice_untaxed_unrounded%0Aversion:%2018.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* Quartile
+
+Contributors
+------------
+
+-  `Quartile <https://www.quartile.co>`__:
+
+   -  Aung Ko Ko Lin
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+.. |maintainer-yostashiro| image:: https://github.com/yostashiro.png?size=40px
+    :target: https://github.com/yostashiro
+    :alt: yostashiro
+.. |maintainer-aungkokolin1997| image:: https://github.com/aungkokolin1997.png?size=40px
+    :target: https://github.com/aungkokolin1997
+    :alt: aungkokolin1997
+
+Current `maintainers <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-yostashiro| |maintainer-aungkokolin1997| 
+
+This module is part of the `OCA/l10n-japan <https://github.com/OCA/l10n-japan/tree/18.0/l10n_jp_summary_invoice_untaxed_unrounded>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/__init__.py b/l10n_jp_summary_invoice_untaxed_unrounded/__init__.py
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/__manifest__.py b/l10n_jp_summary_invoice_untaxed_unrounded/__manifest__.py
@@ -0,0 +1,22 @@
+# Copyright 2026 Quartile (https://www.quartile.co)
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+{
+    "name": "Japan Summary Invoice Untaxed Unrounded",
+    "summary": "Show unrounded subtotals and untaxed amounts on the summary "
+    "invoice report when currency rounding hides decimals",
+    "version": "18.0.1.0.0",
+    "category": "Japanese Localization",
+    "author": "Quartile, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/l10n-japan",
+    "license": "AGPL-3",
+    "depends": [
+        "l10n_jp_summary_invoice",
+        "account_invoice_report_untaxed_unrounded",
+    ],
+    "data": [
+        "reports/report_summary_invoice_templates.xml",
+    ],
+    "maintainers": ["yostashiro", "aungkokolin1997"],
+    "auto_install": True,
+    "installable": True,
+}
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/pyproject.toml b/l10n_jp_summary_invoice_untaxed_unrounded/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/readme/CONTRIBUTORS.md b/l10n_jp_summary_invoice_untaxed_unrounded/readme/CONTRIBUTORS.md
@@ -0,0 +1,2 @@
+- [Quartile](https://www.quartile.co):
+  - Aung Ko Ko Lin
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/readme/DESCRIPTION.md b/l10n_jp_summary_invoice_untaxed_unrounded/readme/DESCRIPTION.md
@@ -0,0 +1,14 @@
+On the summary invoice report, per-line subtotals and the per-invoice
+"Amount Untaxed" are shown with the currency precision. Under **Round Globally**
+tax rounding with a zero-decimal currency (such as JPY), this rounding can hide
+decimals, so the displayed amounts no longer reconcile with the invoice untaxed
+total.
+
+This bridge module applies the unrounded disclosure provided by
+`account_invoice_report_untaxed_unrounded` to the summary invoice report: the
+per-line subtotal (`price_subtotal_unrounded`) and the per-invoice untaxed
+amount (`amount_untaxed_unrounded`) are shown at full precision, formatted with
+the per-company *Untaxed Unrounded Digits*.
+
+It installs automatically when both `l10n_jp_summary_invoice` and
+`account_invoice_report_untaxed_unrounded` are present.
diff --git a/l10n_jp_summary_invoice_untaxed_unrounded/reports/report_summary_invoice_templates.xml b/l10n_jp_summary_invoice_untaxed_unrounded/reports/report_summary_invoice_templates.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo>
+    <template
+        id="bill_line_section_layout"
+        inherit_id="l10n_jp_summary_invoice.bill_line_section_layout"
+    >
+        <!--
+            Always disclose the unrounded line subtotal and the per-invoice
+            untaxed amount, formatted with the company's untaxed-unrounded
+            digits, so the printed amounts reflect the decimals that currency
+            rounding would otherwise hide. The currency-rounded spans are hidden
+            (not removed) so other modules can still inherit them.
+        -->
+        <xpath expr="//td[@name='td_subtotal']/span" position="attributes">
+            <attribute name="t-if">False</attribute>
+        </xpath>
+        <xpath expr="//td[@name='td_subtotal']/span" position="after">
+            <span class="text-nowrap">
+                <t t-if="o.currency_id.position == 'before'"><t
+                    t-out="o.currency_id.symbol"
+                />&amp;nbsp;</t>
+                <t
+                    t-out="line.price_subtotal_unrounded * (-1 if line.move_type in ['out_refund', 'in_refund'] else 1)"
+                    t-options-widget="'float'"
+                    t-options-precision="o.company_id.untaxed_unrounded_digits"
+                />
+                <t t-if="o.currency_id.position == 'after'">&amp;nbsp;<t
+                    t-out="o.currency_id.symbol"
+                /></t>
+            </span>
+        </xpath>
+        <xpath expr="//tr[@name='amount_untaxed']/td[2]/span" position="attributes">
+            <attribute name="t-if">False</attribute>
+        </xpath>
+        <xpath expr="//tr[@name='amount_untaxed']/td[2]/span" position="after">
+            <span class="text-nowrap">
+                <t t-if="o.currency_id.position == 'before'"><t
+                    t-out="o.currency_id.symbol"
+                />&amp;nbsp;</t>
+                <t
+                    t-out="invoice.amount_untaxed_unrounded * (-1 if invoice.move_type in ['out_refund', 'in_refund'] else 1)"
+                    t-options-widget="'float'"
+                    t-options-precision="o.company_id.untaxed_unrounded_digits"
+                />
+                <t t-if="o.currency_id.position == 'after'">&amp;nbsp;<t
+                    t-out="o.currency_id.symbol"
+                /></t>
+            </span>
+        </xpath>
+    </template>
+</odoo>
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		- [Quartile](https://www.quartile.co):
		- Aung Ko Ko Lin