ProducerLEI

<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="ProducerLEI"
            type="LEICodeType">
   <xs:annotation>
      <xs:documentation>00003 If the Manufacturer/Issuer have chosen to outsource the production of an EMT posting to another party responsible for the production and publication of the EMT data set, such party LEI should be entered in this field.</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>