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magentoj/magento-japan-tax
==========================

This module provides the correct tax calculation and qualified invoices as required by the Japanese Consumption Tax (JCT) law.

0.1.0-beta2(2y ago)53[1 issues](https://github.com/magento/magento-japan-tax/issues)OSL-3.0PHPPHP ~7.4.0||~8.1.0

Since Nov 29Pushed 2y ago5 watchersCompare

[ Source](https://github.com/magento/magento-japan-tax)[ Packagist](https://packagist.org/packages/magentoj/magento-japan-tax)[ RSS](/packages/magentoj-magento-japan-tax/feed)WikiDiscussions main Synced 1mo ago

READMEChangelog (2)Dependencies (1)Versions (3)Used By (0)

Japanese Consumption Tax Extension For Magento2
===============================================

[](#japanese-consumption-tax-extension-for-magento2)

This module provides the correct tax calculation and qualified invoices as required by the Qualified Invoice System which will be effective from October 2023 under the Japanese Consumption Tax (JCT) law.

Tax Information
---------------

[](#tax-information)

The following rows will be added to totals at the checkout, order, and invoice views.

- Subtotal Subject to 10% Tax
- Subtotal Subject to 8% Tax
- 10% Tax
- 8% Tax

The subtotals will be shown with tax included if catalog prices are including tax. The catalog price setting can be checked at `Stores > Configuration > SALES > Tax > Calculation Settings > Catalog Prices`.

A tax registration number (usually 14 characters, beginning with "T", followed by the 13-digit Japan corporate number) will be added to PDF invoices if it is configured as mentioned below in the Configuration section.

Calculation
-----------

[](#calculation)

Only products that are assigned to tax class with the tax rate of 8% or 10% will be included in the calculation.

### Rounding Method

[](#rounding-method)

The default currency rounding method is Round Down (round towards zero). Install the module `CommunityEngineering/CurrencyPrecision` from [this repository](https://github.com/magento/magento2-jp) and configure the settings in `Stores > Configuration > GENERAL > Currency Setup > Currency Options > Currency Rounding Method` if you need to use other methods such as Ceiling and Half up.

Configuration
-------------

[](#configuration)

The settings of this module are located in `Stores > Configuration > SALES > Tax > Japanese Consumption Tax System Settings`.

### Registration Number

[](#registration-number)

You can put a tax registration number into the field and it will be appeared after the store address on the top right corner in the PDF invoice.

Run unit tests
--------------

[](#run-unit-tests)

```
./vendor/bin/phpunit -c dev/tests/unit/phpunit.xml.dist app/code/Magentoj/JapaneseConsumptionTax/Test/Unit/

```

Run linter
----------

[](#run-linter)

```
vendor/bin/phpcs --standard=Magento2 app/code/Magentoj/JapaneseConsumptionTax/

```

Run formatter
-------------

[](#run-formatter)

```
vendor/bin/phpcbf --standard=Magento2 app/code/Magentoj/JapaneseConsumptionTax/

```

###  Health Score

20

—

LowBetter than 14% of packages

Maintenance16

Infrequent updates — may be unmaintained

Popularity8

Limited adoption so far

Community12

Small or concentrated contributor base

Maturity38

Early-stage or recently created project

 Bus Factor1

Top contributor holds 50.5% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~6 days

Total

2

Last Release

889d ago

### Community

Maintainers

![](https://www.gravatar.com/avatar/21cc95126e1145958955a01b9c5a755a270041905b00445caa547e3b4d1a004f?d=identicon)[magentoj](/maintainers/magentoj)

---

Top Contributors

[![nozokada](https://avatars.githubusercontent.com/u/2498905?v=4)](https://github.com/nozokada "nozokada (55 commits)")[![tamanyan](https://avatars.githubusercontent.com/u/2387508?v=4)](https://github.com/tamanyan "tamanyan (51 commits)")[![HirokazuNishi](https://avatars.githubusercontent.com/u/124136?v=4)](https://github.com/HirokazuNishi "HirokazuNishi (3 commits)")

### Embed Badge

![Health badge](/badges/magentoj-magento-japan-tax/health.svg)

```
[![Health](https://phpackages.com/badges/magentoj-magento-japan-tax/health.svg)](https://phpackages.com/packages/magentoj-magento-japan-tax)
```

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