SaleToPOIMsgStsReq
                Mandatory
                Hdr
                Mandatory
                StsReq
                Mandatory
                SctyTrlr
                Optional
                CnttTp
                Mandatory
                AuthntcdData
                Optional
                Vrsn
                Optional
                Rcpt
                Repetition (1..n)
                KeyTrnsprt
                Choice
                Vrsn
                Optional
                RcptId
                Mandatory
                IssrAndSrlNb
                Choice
                Issr
                Mandatory
                RltvDstngshdNm
                Repetition (1..n)
                Attribute Type
AttrTp
                Mandatory
                Definition: Type of attribute of a distinguished name (see X.500).
Type: AttributeType1Code (String)
Allowed Values:
- CNAT (Common Name): Common name of the attribute (ASN.1 Object Identifier: id-at-commonName).
- LATT (Locality): Locality of the attribute (ASN.1 Object Identifier: id-at-localityName).
- OATT (Organisation Name): Organization name of the attribute (ASN.1 Object Identifier: id-at- organizationName).
- OUAT (Organisation Unit Name): Organization unit name of the attribute (ASN.1 Object Identifier: id-at- organizationalUnitName).
- CATT (Country Name): Country name of the attribute (ASN.1 Object Identifier: id-at-countryName).
AttrVal
                Mandatory
                SrlNb
                Mandatory
                SbjtKeyIdr
                Choice
                KeyNcrptnAlgo
                Mandatory
                NcrptdKey
                Mandatory
                KEK
                Choice
                KeyIdr
                Choice
                MACAlgo
                Mandatory
                NcpsltdCntt
                Mandatory
                MAC
                Mandatory
                SgndData
                Optional