Functionality
This module checks whether the check number transferred already occursin the check position. It is called when you create checks. The bankarea, check type and account number are available as search criteria. Ifthese criteria are used for the search, the user determines how thesearch query is designed. It is meaningful if the search criteria arebased on the criteria used for assigning the check numbers. If you useautomatic check number assignment when requesting checks on across-check type and cross-account basis, for example, the check for theexistence of a check number when you create checks should also be on across-check type and cross-account basis.
This sample module searches for account numbers within a bank areaacross all check types and accounts.

Description
'X': Check exists
' ': Check does not exist

Description
Account number (external)

Description
Bank area

Description
Position number (external)

Description
Check type