From 4fb24ff7c6477a78cddc5a2c08feae5b369d2a4f Mon Sep 17 00:00:00 2001
From: btangmu <thomasbishop@wenlin.com>
Date: Tue, 25 Nov 2025 13:07:54 -0500
Subject: [PATCH 1/3] CLDR-18963 Allow numberSystem attribute for currency
 element

-Revise ldml.dtd to allow numberSystem attribute for currency element

-Delete the (disabled) check for numberSystem in CheckNumbers.java
---
 common/dtd/ldml.dtd                           |  2 ++
 .../org/unicode/cldr/test/CheckNumbers.java   | 22 +------------------
 2 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/common/dtd/ldml.dtd b/common/dtd/ldml.dtd
index d4eda048abd..8c622965f91 100644
--- a/common/dtd/ldml.dtd
+++ b/common/dtd/ldml.dtd
@@ -2502,6 +2502,8 @@ CLDR data files are interpreted according to the LDML specification (http://unic
     <!--@MATCH:validity/currency-->
 <!ATTLIST currency alt NMTOKENS #IMPLIED >
     <!--@MATCH:literal/variant-->
+<!ATTLIST currency numberSystem CDATA #IMPLIED >
+    <!--@MATCH:bcp47/nu-->
 <!ATTLIST currency draft (approved | contributed | provisional | unconfirmed | true | false) #IMPLIED >
     <!--@METADATA-->
     <!--@DEPRECATED-->
diff --git a/tools/cldr-code/src/main/java/org/unicode/cldr/test/CheckNumbers.java b/tools/cldr-code/src/main/java/org/unicode/cldr/test/CheckNumbers.java
index c25dbb66730..5c528d7091b 100644
--- a/tools/cldr-code/src/main/java/org/unicode/cldr/test/CheckNumbers.java
+++ b/tools/cldr-code/src/main/java/org/unicode/cldr/test/CheckNumbers.java
@@ -237,21 +237,6 @@ public CheckCLDR handleCheck(
             }
         }
 
-        // Check that symbols are for an explicit number system;
-        // note that symbols are skipped for checks after this point.
-        if (path.indexOf("/symbols") >= 0) {
-            XPathParts symbolParts = XPathParts.getFrozenInstance(path);
-            if (symbolParts.getAttributeValue(2, "numberSystem") == null) {
-                result.add(
-                        new CheckStatus()
-                                .setCause(this)
-                                .setMainType(CheckStatus.errorType)
-                                .setSubtype(Subtype.missingNumberingSystem)
-                                .setMessage(
-                                        "Symbols must have an explicit numberSystem attribute."));
-            }
-        }
-
         // quick bail from all other cases (including symbols)
         NumericType type = NumericType.getNumericType(path);
         if (type == NumericType.NOT_NUMERIC || type == NumericType.RATIONAL) {
@@ -259,12 +244,8 @@ public CheckCLDR handleCheck(
         }
         XPathParts parts = XPathParts.getFrozenInstance(path);
 
-        // TODO: re-enable this commented-out check
-        // Reference: https://unicode-org.atlassian.net/browse/CLDR-18722
-        /*
         // Check that number formats are for an explicit number system.
-        String numberSystem = parts.getAttributeValue(2, "numberSystem");
-        if (numberSystem == null) {
+        if (!parts.containsAttribute("numberSystem")) {
             result.add(
                     new CheckStatus()
                             .setCause(this)
@@ -273,7 +254,6 @@ public CheckCLDR handleCheck(
                             .setMessage(
                                     "Number formats must have an explicit numberSystem attribute."));
         }
-         */
 
         // Do tests that need to split the values
 

From d67ac2c32be90fe9d0f44fb090d9bc0c0d818907 Mon Sep 17 00:00:00 2001
From: btangmu <thomasbishop@wenlin.com>
Date: Tue, 25 Nov 2025 13:56:05 -0500
Subject: [PATCH 2/3] CLDR-18963 Allow numberSystem attribute for currency
 element

-Move numberSystem after draft
---
 common/dtd/ldml.dtd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/dtd/ldml.dtd b/common/dtd/ldml.dtd
index 8c622965f91..f34d56ee176 100644
--- a/common/dtd/ldml.dtd
+++ b/common/dtd/ldml.dtd
@@ -2502,11 +2502,11 @@ CLDR data files are interpreted according to the LDML specification (http://unic
     <!--@MATCH:validity/currency-->
 <!ATTLIST currency alt NMTOKENS #IMPLIED >
     <!--@MATCH:literal/variant-->
-<!ATTLIST currency numberSystem CDATA #IMPLIED >
-    <!--@MATCH:bcp47/nu-->
 <!ATTLIST currency draft (approved | contributed | provisional | unconfirmed | true | false) #IMPLIED >
     <!--@METADATA-->
     <!--@DEPRECATED-->
+<!ATTLIST currency numberSystem CDATA #IMPLIED >
+    <!--@MATCH:bcp47/nu-->
 <!ATTLIST currency references CDATA #IMPLIED >
     <!--@METADATA-->
 <!ATTLIST currency validSubLocales CDATA #IMPLIED >

From 5ad4713b3dbd8e0d588161c470245d3c271ffd4e Mon Sep 17 00:00:00 2001
From: btangmu <thomasbishop@wenlin.com>
Date: Tue, 25 Nov 2025 14:06:04 -0500
Subject: [PATCH 3/3] CLDR-18963 Allow numberSystem attribute for currency
 element

-Move numberSystem after references and validSubLocales
---
 common/dtd/ldml.dtd | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/dtd/ldml.dtd b/common/dtd/ldml.dtd
index f34d56ee176..b1f33e47388 100644
--- a/common/dtd/ldml.dtd
+++ b/common/dtd/ldml.dtd
@@ -2505,13 +2505,13 @@ CLDR data files are interpreted according to the LDML specification (http://unic
 <!ATTLIST currency draft (approved | contributed | provisional | unconfirmed | true | false) #IMPLIED >
     <!--@METADATA-->
     <!--@DEPRECATED-->
-<!ATTLIST currency numberSystem CDATA #IMPLIED >
-    <!--@MATCH:bcp47/nu-->
 <!ATTLIST currency references CDATA #IMPLIED >
     <!--@METADATA-->
 <!ATTLIST currency validSubLocales CDATA #IMPLIED >
     <!--@VALUE-->
     <!--@DEPRECATED-->
+<!ATTLIST currency numberSystem CDATA #IMPLIED >
+    <!--@MATCH:bcp47/nu-->
 
 <!ELEMENT symbol ( #PCDATA ) >
 <!ATTLIST symbol choice (true | false) #IMPLIED >