diff --git a/build.xml b/build.xml
index 6eb12333..c55ea873 100644
--- a/build.xml
+++ b/build.xml
@@ -854,6 +854,7 @@
 				<!-- set of checking stylesheets applied in every case -->
                 <arg value="${build.dir}/check_adfs.xsl"/>
                 <arg value="${build.dir}/check_idpdisc.xsl"/>
+				<arg value="${build.dir}/check_init.xsl"/>
 				<arg value="${build.dir}/check_mdiop.xsl"/>
 				<arg value="${build.dir}/check_mdui.xsl"/>
                 <arg value="${build.dir}/check_misc.xsl"/>
diff --git a/build/check_init.xsl b/build/check_init.xsl
new file mode 100644
index 00000000..1aa56807
--- /dev/null
+++ b/build/check_init.xsl
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+	check_int.xsl
+	
+	Checking ruleset containing rules associated with the
+	Service Provider Request Initiation Protocol and Profile Version 1.0.
+	
+	Author: Ian A. Young <ian@iay.org.uk>
+
+-->
+<xsl:stylesheet version="1.0"
+	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+	xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:init="urn:oasis:names:tc:SAML:profiles:SSO:request-init"
+	xmlns="urn:oasis:names:tc:SAML:2.0:metadata">
+
+	<!--
+		Common support functions.
+	-->
+	<xsl:import href="check_framework.xsl"/>
+
+	<!--
+		Checks on the RequestInitiator extension.
+	-->
+	
+	<xsl:template match="init:RequestInitiator[not(@Binding)]">
+		<xsl:call-template name="fatal">
+			<xsl:with-param name="m">missing Binding attribute on RequestInitiator</xsl:with-param>
+		</xsl:call-template>
+	</xsl:template>
+	
+	<xsl:template match="init:RequestInitiator[@Binding]
+		[@Binding!='urn:oasis:names:tc:SAML:profiles:SSO:request-init']">
+		<xsl:call-template name="fatal">
+			<xsl:with-param name="m">incorrect Binding value on RequestInitiator</xsl:with-param>
+		</xsl:call-template>
+	</xsl:template>
+	
+	
+</xsl:stylesheet>