Field help (DATEVACCS)
The length of DATEV G/L account and BP account numbers are interdependent and must follow these rules:
DATEV G/L account numbers must be between four and eight characters long and must always be one character less than the DATEV BP account number.If the G/L account number is eight characters long, the BP account number must be exactly nine characters long.DATEV account numbers (G/L account or BP account numbers) must always be numeric.