Field UCET

It contains the cash account No. in foreign depository (from tag 25).
It consists from the asset account No. following the hypen following the 3-letters currency code (e.g. 84473-EUR) for Clearstream.
It consists from the 3-digits prefix 687 following the asset account No. following the 2-digits currency code following the 2-digits checking numeral (687146374339) for Euroclear.