CustodianIdentificationCode

<xs:element xmlns:altova="http://www.altova.com/xml-schema-extensions"
            xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
            xmlns:xs="http://www.w3.org/2001/XMLSchema"
            minOccurs="0"
            name="CustodianIdentificationCode"
            type="LEICodeType">
   <xs:annotation>
      <xs:documentation>A140 - Identification of the custodian code using the LEI if available. 
If none is available this item shall not be reported
</xs:documentation>
   </xs:annotation>
</xs:element>

<xs:simpleType xmlns:altova="http://www.altova.com/xml-schema-extensions"
               xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
               xmlns:xs="http://www.w3.org/2001/XMLSchema"
               name="LEICodeType">
   <xs:annotation>
      <xs:documentation>Legal Entity Identifier (LEI) (ISO 17442 standard) of the Entity  or if not available the Interim Entity Identifier (IEI):
•Characters 1-4: A four character prefix allocated uniquely to each LOU.
•Characters 5-6: Two reserved characters set to zero.
•Characters 7-18: Entity - specific part of the code generated and assigned by LOUs according to transparent, sound and robust allocation policies.
•Characters 19-20: Two check digits</xs:documentation>
   </xs:annotation>
   <xs:restriction base="xs:string">
      <xs:minLength value="20"/>
      <xs:maxLength value="20"/>
      <xs:pattern value="([0-9a-zA-Z]{18}[0-9]{2})"/>
   </xs:restriction>
</xs:simpleType>