diff --git a/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md b/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md
index c92fc72de2..38b7b9d186 100644
--- a/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md
+++ b/extensions/2.0/Khronos/KHR_materials_diffuse_transmission/README.md
@@ -426,3 +426,55 @@ When `KHR_materials_diffuse_transmission` is combined with `KHR_materials_volume
 
 - [glTF.KHR_materials_diffuse_transmission.schema.json](schema/glTF.KHR_materials_diffuse_transmission.schema.json)
 
+## Appendix: Full Khronos Copyright Statement
+
+Copyright 2024 The Khronos Group Inc.
+
+Some parts of this Specification are purely informative and do not define requirements
+necessary for compliance and so are outside the Scope of this Specification. These
+parts of the Specification are marked as being non-normative, or identified as
+**Implementation Notes**.
+
+Where this Specification includes normative references to external documents, only the
+specifically identified sections and functionality of those external documents are in
+Scope. Requirements defined by external documents not created by Khronos may contain
+contributions from non-members of Khronos not covered by the Khronos Intellectual
+Property Rights Policy.
+
+This specification is protected by copyright laws and contains material proprietary
+to Khronos. Except as described by these terms, it or any components
+may not be reproduced, republished, distributed, transmitted, displayed, broadcast
+or otherwise exploited in any manner without the express prior written permission
+of Khronos.
+
+This specification has been created under the Khronos Intellectual Property Rights
+Policy, which is Attachment A of the Khronos Group Membership Agreement available at
+www.khronos.org/files/member_agreement.pdf. Khronos grants a conditional
+copyright license to use and reproduce the unmodified specification for any purpose,
+without fee or royalty, EXCEPT no licenses to any patent, trademark or other
+intellectual property rights are granted under these terms. Parties desiring to
+implement the specification and make use of Khronos trademarks in relation to that
+implementation, and receive reciprocal patent license protection under the Khronos
+IP Policy must become Adopters and confirm the implementation as conformant under
+the process defined by Khronos for this specification;
+see https://www.khronos.org/adopters.
+
+Khronos makes no, and expressly disclaims any, representations or warranties,
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+merchantability, fitness for a particular purpose, non-infringement of any
+intellectual property, correctness, accuracy, completeness, timeliness, and
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+
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+WebCL, OpenVX, OpenVG, EGL, COLLADA, glTF, NNEF, OpenKODE, OpenKCAM, StreamInput,
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+International used under license by Khronos. All other product names, trademarks,
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