diff --git a/src/ISO-permission.xml b/src/ISO-permission.xml
new file mode 100644
index 000000000..de2f16bf7
--- /dev/null
+++ b/src/ISO-permission.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<SPDXLicenseCollection xmlns="http://www.spdx.org/license">
+   <license isOsiApproved="false" licenseId="ISO-permission"
+   name="ISO permission notice" listVersionAdded="3.28.0">
+      <crossRefs>
+         <crossRef>https://gitlab.com/agmartin/linuxdoc-tools/-/blob/master/iso-entities/COPYING?ref_type=heads</crossRef>
+         <crossRef>https://www.itu.int/ITU-T/formal-language/itu-t/t/t173/1997/ISOMHEG-sir.html</crossRef>
+      </crossRefs>
+      <notes>
+      </notes>
+      <text>
+         <copyrightText>
+            (C) International Organization for Standardization 1986
+         </copyrightText>
+         <p>
+            International Organization for Standardization 1986 Permission to
+            copy in any form is granted for use with conforming<alt name="name"
+            match="SGML systems|to MHEG-3 engines">SGML systems</alt>
+            and applications as defined<alt name="defined" match="in
+            ISO 8879,|by this Recommendation">in ISO 8879,</alt>
+            provided this notice is included in all copies.
+         </p>
+      </text>
+   </license>
+</SPDXLicenseCollection>
diff --git a/test/simpleTestForGenerator/ISO-permission.txt b/test/simpleTestForGenerator/ISO-permission.txt
new file mode 100644
index 000000000..709b9c19f
--- /dev/null
+++ b/test/simpleTestForGenerator/ISO-permission.txt
@@ -0,0 +1,4 @@
+(C) International Organization for Standardization 1986
+Permission to copy in any form is granted for use with
+conforming SGML systems and applications as defined in
+ISO 8879, provided this notice is included in all copies.
\ No newline at end of file