diff --git a/src/metaschema/oscal_poam_metaschema.xml b/src/metaschema/oscal_poam_metaschema.xml
index 2351f071db..6a4a52f7e2 100644
--- a/src/metaschema/oscal_poam_metaschema.xml
+++ b/src/metaschema/oscal_poam_metaschema.xml
@@ -72,6 +72,12 @@
                     <p>Used to add any inventory-items, not defined via the System Security Plan (AR-&gt;AP-&gt;SSP)</p>
                 </remarks>
             </assembly>
+            <!-- CHANGED: added to specify components and assessment-platforms from the assessment -->
+            <assembly ref="assessment-assets" min-occurs="0" max-occurs="1">
+                <remarks>
+                    <p>Specifies components or assessment-platforms used in the assessment.</p>
+                </remarks>
+            </assembly>            
             <field ref="remarks" in-xml="WITH_WRAPPER" min-occurs="0" max-occurs="1"/>
         </model>
         <constraint>