<xs:simpleType name="housingType">
  <xs:annotation>
    <xs:documentation xml:lang="en">Housing Type 1 = Site-based - single site 2 = Site-based - clustered/multiple sites 3 = Tenant-based - scattered site</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:unsignedInt">
    <xs:enumeration value="1">
      <xs:annotation>
        <xs:documentation xml:lang="en">Site-based - single site</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="2">
      <xs:annotation>
        <xs:documentation xml:lang="en">Site-based - clustered/multiple sites</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
    <xs:enumeration value="3">
      <xs:annotation>
        <xs:documentation xml:lang="en">Tenant-based - scattered site</xs:documentation>
      </xs:annotation>
    </xs:enumeration>
  </xs:restriction>
</xs:simpleType>