diff --git a/build.xml b/build.xml
index 9f9fb520..1e7dbc84 100644
--- a/build.xml
+++ b/build.xml
@@ -1417,4 +1417,63 @@
         </echoproperties>
     </target>
 
+    <!--
+        *********************************************
+        ***                                       ***
+        ***   I N C O M M O N   S P E C I F I C   ***
+        ***                                       ***
+        *********************************************
+    -->
+
+    <!--
+        Location of most InCommon-specific files.
+    -->
+    <property name="mda.incdir" location="mdx/incommon"/>
+
+    <!--
+        Default local file location from which to read the
+        (not necessarily signed) production aggregate.
+
+        This can be overridden in build.properties.
+
+        In a development environment, use the inc.fetch.production
+        target to read a copy of the current real production
+        aggregate into this location for testing.
+    -->
+    <property name="mda.inc.production.xml" value="${mda.incdir}/production.xml"/>
+
+    <!--
+        Default local file location to which to write the export aggregate.
+
+        This can be overridden in build.properties.
+    -->
+    <property name="mda.inc.exported.xml" value="${mda.incdir}/exported.xml"/>
+
+    <!--
+        inc.fetch.production
+
+        This target is for use in a development environment. It reads the
+        current signed InCommon production aggregate into the local file location
+        specified by mda.inc.production.xml so that it can be used to test the
+        inc.generate.export target.
+    -->
+    <target name="inc.fetch.production">
+        <echo>Fetching InCommon production aggregate to ${mda.inc.production.xml}...</echo>
+        <get src="http://md.incommon.org/InCommon/InCommon-metadata.xml"
+            dest="${mda.inc.production.xml}"/>
+        <echo>Fetch complete.</echo>
+    </target>
+
+    <!--
+        inc.generate.export
+
+        Generate the InCommon export aggregate.
+    -->
+    <target name="inc.generate.export">
+        <echo>Generating InCommon export aggregate in ${mda.inc.exported.xml}</echo>
+        <echo>    from production aggregate in ${mda.inc.production.xml}...</echo>
+        <CHANNEL.do channel="incommon" verb="export"/>
+        <echo>Generation complete.</echo>
+    </target>
+
 </project>
\ No newline at end of file
diff --git a/mdx/incommon/.gitignore b/mdx/incommon/.gitignore
index f6b6515e..43811e09 100644
--- a/mdx/incommon/.gitignore
+++ b/mdx/incommon/.gitignore
@@ -1,2 +1,3 @@
 exported.xml
 imported.xml
+production.xml
diff --git a/mdx/incommon/export.xml b/mdx/incommon/export.xml
index cbf6e027..59e3fba5 100644
--- a/mdx/incommon/export.xml
+++ b/mdx/incommon/export.xml
@@ -27,7 +27,7 @@
         p:id="serializeExported">
         <property name="outputFile">
             <bean class="java.io.File">
-                <constructor-arg value="#{ systemProperties['basedir'] }/mdx/incommon/exported.xml"/>
+                <constructor-arg value="${inc.exported.xml}"/>
             </bean>
         </property>
     </bean>
@@ -39,17 +39,18 @@
         p:id="export">
         <property name="stages">
             <list>
-                <!-- Start with the InCommon production aggregate. -->
-                <ref bean="us_incommon_productionAggregate"/>
-
                 <!--
-                    Check for fatal errors at the aggregate level:
-                        missing or expired validUntil attribute
-                        invalid signature
+                    Start with the InCommon production aggregate.
+
+                    In a production environment, this will be the *unsigned* aggregate,
+                    so we perform minimal checking on its contents.
                 -->
-                <ref bean="check_validUntil"/>
-                <ref bean="us_incommon_checkSignature"/>
-                <ref bean="errorTerminatingFilter"/>
+                <bean id="production_aggregate" parent="DOMResourceSourceStage"
+                    p:id="production_aggregate">
+                    <property name="DOMResource">
+                        <bean parent="ClassPathResource" c:_0="incommon/production.xml"/>
+                    </property>
+                </bean>
 
                 <!-- Break down into individual entities. -->
                 <ref bean="disassemble"/>
@@ -92,7 +93,7 @@
                     p:id="normalise">
                     <property name="XSLResource">
                         <bean parent="FileSystemResource">
-                            <constructor-arg value="#{ systemProperties['basedir'] }/mdx/incommon/ns_norm_export.xsl"/>
+                            <constructor-arg value="${incdir}/ns_norm_export.xsl"/>
                         </bean>
                     </property>
                 </bean>