US Citi Bank is asking for both the 'Local Instrument-code' and 'Local Instrument- Proprietary' for ACH payment generated from ISO20022 format

A customer in USA is trying to use ACH payment with Citi Bank. ISO20022 method is used in IFS Cloud 24R2.

this is supported as per below post 

When testing payment files bank has informed that both the 'Local Instrument-code' and 'Local Instrument- Proprietary' must be present in the xml file. However, in IFS Application only one value can be used at a given time.

See the below tags required. 

Tag 1. Local Instrument-code'

<PmtTpInf>
                    <LclInstrm>
                        <Cd>CCD</Cd>
                    </LclInstrm>
 </PmtTpInf>

Tag 2 Local Instrument- Proprietary'

<PmtTpInf>
                <SvcLvl>
                    <Cd>NURG</Cd>
                </SvcLvl>
                <LclInstrm>
                    <Prtry>CITI996</Prtry>
                </LclInstrm>

</PmtTpInf>

Is it a known limitation or is there any other basic data that I have missed?