diff --git a/103221-1/TS_103_221_01_HashedID.xsd b/103221-1/TS_103_221_01_HashedID.xsd
new file mode 100644
index 0000000000000000000000000000000000000000..f5e735d2dd6a8fde7d80749d714be0e182c2212c
--- /dev/null
+++ b/103221-1/TS_103_221_01_HashedID.xsd
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://uri.etsi.org/03221/X1/2017/10/HashedID" xmlns:x1="http://uri.etsi.org/03221/X1/2017/10" xmlns:etsi103280="http://uri.etsi.org/03280/common/2017/07" targetNamespace="http://uri.etsi.org/03221/X1/2017/10/HashedID" elementFormDefault="qualified" version="1.10.1">
+	<xs:import namespace="http://uri.etsi.org/03280/common/2017/07"/>
+	<xs:import namespace="http://uri.etsi.org/03221/X1/2017/10"/>
+	<!-- Message containers -->
+	<xs:complexType name="HashContext">
+		<xs:complexContent>
+			<xs:extension base="x1:GenericObject">
+				<xs:sequence>
+					<xs:element name="hashAlgorithm" type="HashAlgorithm"/>
+					<xs:element name="salt" type="Salt"/>
+				</xs:sequence>
+			</xs:extension>
+		</xs:complexContent>
+	</xs:complexType>
+	<xs:simpleType name="HashAlgorithm">
+		<xs:restriction base="xs:string">
+			<xs:enumeration value="sha-256"/>
+			<xs:enumeration value="sha-512"/>
+			<xs:enumeration value="sha3-512"/>
+		</xs:restriction>
+	</xs:simpleType>
+	<xs:simpleType name="Salt">
+		<xs:restriction base="xs:hexBinary">
+			<xs:minLength value="8"/>
+		</xs:restriction>
+	</xs:simpleType>
+	<xs:complexType name="HashedIdentifier">
+		<xs:sequence>
+			<xs:element name="hashContextID" type="x1:GenericObjectID"/>
+			<xs:element name="targetIdentityType" type="etsi103280:ShortString"/>
+			<xs:element name="hashDigest" type="xs:hexBinary"/>
+		</xs:sequence>
+	</xs:complexType>
+</xs:schema>