diff --git a/mdx/uk/beans.xml b/mdx/uk/beans.xml
index 6c8c81aa..f6b5d685 100644
--- a/mdx/uk/beans.xml
+++ b/mdx/uk/beans.xml
@@ -355,6 +355,8 @@
 
                 <ref bean="populateItemIds"/>
                 <ref bean="uk_populateIds"/>
+                <bean id="uk_populateFlowConstraints"
+                    parent="ukf.EntityDescriptorFlowConstraintPopulationStage"/>
                 <ref bean="uk_default_regauth"/>
                 <ref bean="populateRegistrationAuthorities"/>
 
@@ -531,6 +533,10 @@
     <bean id="uk_statisticsPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="statistics"/>
+
                 <ref bean="assemble"/>
                 <ref bean="uk_generateStatistics"/>
                 <ref bean="uk_serializeStatistics"/>
diff --git a/mdx/uk/check_uk_extensions.xsl b/mdx/uk/check_uk_extensions.xsl
index 56ef2322..e228cf03 100644
--- a/mdx/uk/check_uk_extensions.xsl
+++ b/mdx/uk/check_uk_extensions.xsl
@@ -73,6 +73,8 @@
     <xsl:template match="md:EntityDescriptor/md:Extensions/mdrpi:RegistrationInfo"/>
     <xsl:template match="md:EntityDescriptor/md:Extensions/shibmd:Scope"/>
     <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:AccountableUsers"/>
+    <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:DisableFlow"/>
+    <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:EnableFlow"/>
     <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:ExportOptIn"/>
     <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:ExportOptOut"/>
     <xsl:template match="md:EntityDescriptor/md:Extensions/ukfedlabel:Software"/>
diff --git a/mdx/uk/generate.xml b/mdx/uk/generate.xml
index 25f5bba2..c4981f37 100644
--- a/mdx/uk/generate.xml
+++ b/mdx/uk/generate.xml
@@ -298,6 +298,10 @@
     <bean id="uk_productionPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="production"/>
+
                 <!--
                     Enforce IdP display name uniqueness before assembling aggregate
                 -->
@@ -353,6 +357,10 @@
     <bean id="uk_wayfPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="wayf"/>
+                
                 <!--
                     Remove SIRTFI metadata.
                 -->
@@ -476,6 +484,10 @@
     <bean id="CDSAllPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="cdsall"/>
+                
                 <!--
                     Enforce IdP display name uniqueness before assembling aggregate
                 -->
@@ -543,6 +555,10 @@
     <bean id="uk_fallbackPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="fallback"/>
+                
                 <bean id="removeFallbackBlocklist" parent="mda.EntityFilterStage"
                     p:whitelistingEntities="false"
                     p:designatedEntities-ref="fallbackEntityBlocklist"/>
@@ -603,6 +619,10 @@
     <bean id="uk_testPipeline" parent="mda.CompositeStage">
         <property name="composedStages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="test"/>
+                
                 <!--
                     Enforce IdP display name uniqueness before assembling aggregate
                 -->
@@ -663,6 +683,10 @@
     <bean id="uk_exportPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="export"/>
+                
                 <!--
                     Additional rules excluding entities from the aggregate.
 
@@ -763,6 +787,10 @@
     <bean id="uk_exportPreviewPipeline" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="export-preview"/>
+                
                 <!--
                     Additional rules excluding entities from the aggregate.
 
diff --git a/mdx/uk/verbs.xml b/mdx/uk/verbs.xml
index 58c3ce62..dccb5058 100644
--- a/mdx/uk/verbs.xml
+++ b/mdx/uk/verbs.xml
@@ -39,6 +39,19 @@
         <property name="stages">
             <list>
                 <ref bean="uk_registeredEntities"/>
+
+                <!--
+                    The rest of the pipeline is a duplicate of the
+                    uk_statisticsPipeline bean definition. It would
+                    be better to use that, but Pipeline isn't a thing
+                    that can appear within another Pipeline at
+                    present (MDA 0.9.x).
+                -->
+
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="statistics"/>
+                
                 <ref bean="assemble"/>
                 <ref bean="uk_generateStatistics"/>
                 <ref bean="uk_serializeStatistics"/>
@@ -49,12 +62,17 @@
     <!--
         statistics.charting
 
-        Stand-along statistics generation for charting.
+        Stand-alone statistics generation for charting.
     -->
     <bean id="statistics.charting" parent="mda.SimplePipeline">
         <property name="stages">
             <list>
                 <ref bean="uk_registeredEntities"/>
+
+                <!-- Apply flow constraints for this flow. -->
+                <bean id="flowConstraints" parent="ukf.FlowConstraintApplyingStage"
+                    p:flowName="statistics"/>
+
                 <ref bean="assemble"/>
                 <bean parent="mda.XSLTransformationStage"
                     p:XSLResource="classpath:uk/statistics-charting.xsl">