How I can I retrieve R03B500X Processing Options From A/R Statement Print

We need to create a custom A/R statement print UBE that will be specified from R03B500X processing options instead of one of the native UBEs. My challenge takes place in the custom print UBE because I need to retrieve the "Date - As Of" from the "Update" tab of R03B500X processing options. Does anyone know how I can retrieve the "Date - As Of" or is there a better solution? I have been unsuccessful in using source module "B9090001 - Update Processing Option Data".

Thanks and best regards,

Danny