Missmatch Portugal ZIP Code Matching

[mklooss]

Missmatch Portugal ZIP Code Matching - ( #14220 )

Issue description: irrespective of zip code & tax rate set , tax gets calculated only default is 23% which is zip code set '* '.

the Issues will be produced by this method: https://github.com/magento/magento2/blob/2.4/app/code/Magento/Tax/Model/ResourceModel/Calculation.php#L345-L355

Preconditions (*)

1. Magento 2.4.3
2. Tax Calculation Rule:

+-------------------------+----------------+---------------+--------------+-----------------------+---------+--------------+----------+--------+
| tax_calculation_rate_id | tax_country_id | tax_region_id | tax_postcode | code                  | rate    | zip_is_range | zip_from | zip_to |
+-------------------------+----------------+---------------+--------------+-----------------------+---------+--------------+----------+--------+
|                      54 | PT             |             0 | *            | TAX Portugal       | 23.0000 |         NULL |     NULL |   NULL |
|                     136 | PT             |             0 | 96*          | 0% TAX - PT/A2-96% |  1.0000 |         NULL |     NULL |   NULL |
|                     137 | PT             |             0 | 97*          | 0% TAX - PT/A2-97% |  0.0000 |         NULL |     NULL |   NULL |
+-------------------------+----------------+---------------+--------------+-----------------------+---------+--------------+----------+--------+

Steps to reproduce (*)

1. Create 3 known Rules as mentioned in above grid.
2. Try to Checkout anything with an Address from the Range (eg: 9610-111) and Country Portugal.

Expected result (*)

1. Tax Should be 0 % = 0 €

Actual result (*)

1. Tax will be applied from 54 but Never from 136

Additional Info (*)

1. By choosing an 96XXXX code, the applied tax is turning to 24% (Where 23% is from * rule, and 1% from 96*)

---

Please provide Severity assessment for the Issue as Reporter. This information will help during Confirmation and Issue triage processes.

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• [x ] Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
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• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @mklooss. Thank you for your report.
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[mklooss]

Simple Workaround / Patch for just PT

--- a/Model/ResourceModel/Calculation.php	2021-10-07 13:14:39.696529241 +0200
+++ b/Model/ResourceModel/Calculation.php	2021-10-07 13:15:13.316749197 +0200
@@ -353,6 +353,12 @@
                     $zipTo = $matches[2];
                 }
             }
+            if ($countryId == 'PT')
+            {
+                $postcodeIsRange = false;
+                $zipFrom = NULL;
+                $zipTo = NULL;
+            }
 
             if ($postcodeIsNumeric || $postcodeIsRange) {
                 $selectClone = clone $select;

[m2-assistant]

Hi @engcom-Delta. Thank you for working on this issue.
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  Details

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[engcom-Delta]

Hi @mklooss ,
We tried to replicate it on Magento 2.4 Develop latest branch. Unfortunately we could not find the zip-codes which provided in the ticket.
Link# https://en.wikipedia.org/wiki/Postal_codes_in_Portugal.
Hence request to review it once again.

[mklooss]

@engcom-Delta just take a look at the list on wikipedia: "Postal regions (first digit of postal code)" -> "9. (brown) - Madeira Islands and Azores" and also at the Image on the right side of the article: https://en.wikipedia.org/wiki/Postal_codes_in_Portugal#/media/File:Postal_Codes_of_Portugal.png
There you can found the data, of this postal codes.

Example: https://en.wikipedia.org/wiki/Ribeira_Grande,_Azores

[engcom-Delta]

Hi mklooss,
We tried to reproduce the issue as per provided steps , we could see the difference in tax calculation for PT country .Hence added label 'Issue confirmed'.