Foreign Transaction Purpose Code - Thailand

Hi, Sap guru,

Please could you kindly help me on this?

Recently Thai goverment put in place a new legal requirement "Foreign

Transacction Purpose Code" for security reasons. The field needs to

hold the following information u201CPurpose Code XXXXXX" wherever cross-

border payment will occurs into Thailand

We use an IDOC (PAYEXT/PEXR2002) to transmit payment instruction to

citibank created by RFFOEDI1 program.

If you have come across this issue, please kindly advise whether there is a SAP solution available a standard solution to meet this requirement or any other solution any of you provided.

Kind regards