diff --git a/dev/resources/iso-normes/QR code for invoices.txt b/dev/resources/iso-normes/QR code for invoices.txt
new file mode 100644
index 00000000000..a55c9569297
--- /dev/null
+++ b/dev/resources/iso-normes/QR code for invoices.txt	
@@ -0,0 +1,13 @@
+List of QR Code format we found on some invoices
+------------------------------------------------
+
+
+* For SEPA QR payment Code format (Europe)
+------------------------------------------
+https://en.wikipedia.org/wiki/EPC_QR_code#Generators
+
+
+
+* For ZATCA QR Code format (Saudi Arabia)
+-----------------------------------------
+https://www.pwc.com/m1/en/services/tax/me-tax-legal-news/2021/saudi-arabia-guide-to-develop-compliant-qr-code-for-simplified-einvoices.html
diff --git a/dev/resources/iso-normes/address_format.txt b/dev/resources/iso-normes/address_format.txt
index d87e90e79b5..18069cd89fa 100644
--- a/dev/resources/iso-normes/address_format.txt
+++ b/dev/resources/iso-normes/address_format.txt
@@ -1,3 +1,5 @@
+Address format
+
 https://bitboost.com/ref/international-address-formats.html#Formats
 
 https://www.upu.int/en/Postal-Solutions/Programmes-Services/Addressing-Solutions
diff --git a/dev/resources/iso-normes/14-pourquoi le format PDF A.pdf b/dev/resources/iso-normes/format PDF - PDF A.pdf
similarity index 100%
rename from dev/resources/iso-normes/14-pourquoi le format PDF A.pdf
rename to dev/resources/iso-normes/format PDF - PDF A.pdf
diff --git a/dev/resources/iso-normes/format_FEC-Lien_outil_de_test_agréé.pdf b/dev/resources/iso-normes/format_FEC - Lien_outil_de_test_agréé.pdf
similarity index 100%
rename from dev/resources/iso-normes/format_FEC-Lien_outil_de_test_agréé.pdf
rename to dev/resources/iso-normes/format_FEC - Lien_outil_de_test_agréé.pdf
diff --git a/dev/resources/iso-normes/sample_FEC_file.txt b/dev/resources/iso-normes/format_FEC - fie example.txt
similarity index 100%
rename from dev/resources/iso-normes/sample_FEC_file.txt
rename to dev/resources/iso-normes/format_FEC - fie example.txt
diff --git a/dev/resources/iso-normes/locales.txt b/dev/resources/iso-normes/locales.txt
index 67ea5280342..a4459d2a8b1 100644
--- a/dev/resources/iso-normes/locales.txt
+++ b/dev/resources/iso-normes/locales.txt
@@ -1,3 +1,5 @@
+Date and number format
+----------------------
 
 For languages:
 https://icu4c-demos.unicode.org/icu-bin/icudemos - Locale Explorer -> Error 404
diff --git a/dev/resources/iso-normes/world_tax_rates.txt b/dev/resources/iso-normes/world_tax_rates.txt
index c007474e5fd..508446b618a 100644
--- a/dev/resources/iso-normes/world_tax_rates.txt
+++ b/dev/resources/iso-normes/world_tax_rates.txt
@@ -1,3 +1,6 @@
+VAT Rates
+---------
+
 http://www.taxrates.cc/index.html
 https://en.wikipedia.org/wiki/List_of_countries_by_tax_rates