diff --git a/specs/cmcd/01-cmcd.inc.md b/specs/cmcd/01-cmcd.inc.md
new file mode 100644
index 0000000..bd0d3d0
--- /dev/null
+++ b/specs/cmcd/01-cmcd.inc.md
@@ -0,0 +1,33 @@
+# MPD Patch {#mpd-patch}
+
+## Introduction {#mpd-patch:introduction}
+
+This feature description is an update to DASH-IF IOP Guidelines v4.3 [[!IOP43]].
+It adds an additional features.
+
+## Scenarios {#mpd-patch:scenarios}
+
+
+## Content Offering Requirements and Recommendations {#mpd-patch:content-offering}
+
+
+## Client Implementation Requirements and Guidelines {#mpd-patch:client}
+
+
+
+## Examples {#mpd-patch:examples}
+
+NOTE: Add some MPD examples
+
+## Reference Tools {#mpd-patch:reference-tools}
+
+NOTE: provide status for the following functionalities
+  * Dash.js
+  * Live Sim
+  * Test Vectors
+  * JCCP
+
+## Additional Information {#mpd-patch:additional-information}
+
+
+
diff --git a/specs/cmcd/cmcd.bs b/specs/cmcd/cmcd.bs
new file mode 100644
index 0000000..b93f227
--- /dev/null
+++ b/specs/cmcd/cmcd.bs
@@ -0,0 +1,16 @@
+<pre class="metadata">
+Revision: 0.1
+Title: DASH-IF implementation guidelines: MPD Patch
+Status: LS-COMMIT
+Shortname: mpd-patch
+URL: https://dashif.org/Guidelines/master/mpd-patch.html
+Group: dashif
+
+!Contributor:
+!Key Word:
+!Related Features:
+</pre>
+
+<pre class=include>
+path: 01-mpd-patch.inc.md
+</pre>