diff --git a/core/src/main/java/google/registry/tldconfig/idn/basic_latin.txt b/core/src/main/java/google/registry/tldconfig/idn/basic_latin.txt
new file mode 100644
index 00000000000..8dbebf3b6cb
--- /dev/null
+++ b/core/src/main/java/google/registry/tldconfig/idn/basic_latin.txt
@@ -0,0 +1,56 @@
+# Registry: Charleston Road Registry Inc.
+# Script: Latn
+# Version: 3.0
+# Effective Date: 2025-09-01
+# URL: https://www.iana.org/domains/idn-tables/tables/google_latn_1.0.txt
+# Policy: https://www.registry.google/about/policies/domainabuse/
+# Contact Name: CRR Tech
+# Email address: crr-tech@google.com
+# Telephone: +1 (650) 253-0000
+#
+# Code points requiring context rules
+#
+# Code point                        Description of rule/Reference
+#
+# U+002D                            Label must neither start nor end with U+002D. Label
+#    HYPHEN-MINUS                   must not have U+002D in both third and fourth
+#                                   position. RFC 5891 (sec 4.2.3.1)
+#
+
+U+002D                         # HYPHEN-MINUS
+U+0030                         # DIGIT ZERO
+U+0031                         # DIGIT ONE
+U+0032                         # DIGIT TWO
+U+0033                         # DIGIT THREE
+U+0034                         # DIGIT FOUR
+U+0035                         # DIGIT FIVE
+U+0036                         # DIGIT SIX
+U+0037                         # DIGIT SEVEN
+U+0038                         # DIGIT EIGHT
+U+0039                         # DIGIT NINE
+U+0061                         # LATIN SMALL LETTER A
+U+0062                         # LATIN SMALL LETTER B
+U+0063                         # LATIN SMALL LETTER C
+U+0064                         # LATIN SMALL LETTER D
+U+0065                         # LATIN SMALL LETTER E
+U+0066                         # LATIN SMALL LETTER F
+U+0067                         # LATIN SMALL LETTER G
+U+0068                         # LATIN SMALL LETTER H
+U+0069                         # LATIN SMALL LETTER I
+U+006A                         # LATIN SMALL LETTER J
+U+006B                         # LATIN SMALL LETTER K
+U+006C                         # LATIN SMALL LETTER L
+U+006D                         # LATIN SMALL LETTER M
+U+006E                         # LATIN SMALL LETTER N
+U+006F                         # LATIN SMALL LETTER O
+U+0070                         # LATIN SMALL LETTER P
+U+0071                         # LATIN SMALL LETTER Q
+U+0072                         # LATIN SMALL LETTER R
+U+0073                         # LATIN SMALL LETTER S
+U+0074                         # LATIN SMALL LETTER T
+U+0075                         # LATIN SMALL LETTER U
+U+0076                         # LATIN SMALL LETTER V
+U+0077                         # LATIN SMALL LETTER W
+U+0078                         # LATIN SMALL LETTER X
+U+0079                         # LATIN SMALL LETTER Y
+U+007A                         # LATIN SMALL LETTER Z