Callout POP with stem — stop asking for mystery reference
If client already named the callout stem (e.g. GH4450-KELCIA-22) with POP attachment, allocate that stem. Ephraim must not loop "provide payment reference" as if no stem was given.
If client already named the callout stem (e.g. GH4450-KELCIA-22) with POP attachment, allocate that stem. Ephraim must not loop "provide payment reference" as if no stem was given.