:restriction>
                </xs:simpleType>

                <xs:simpleType name="zip">
                    <xs:restriction base="xs:string">
                        <xs:pattern value="\d{5}"/>
                    </xs:restriction>
                </xs:simpleType>

                <xs:simpleType name="city">
                    <xs:restriction base="dmv:requiredNonEmptyString">
                        <xs:pattern value="[A-Z]([A-Z]|[a-z]|\-|\s){1,21}"/>
                    </xs:restriction>
             