SAP Message 5N854 - Employment tax no. [LB-nummer] is incorrect

Diagnosis
You have entered an employment tax number that does not meet therequirements for employment tax numbers.
The following requirements must be met:

  • 11 positions (consisting of numbers, the last three of letters)

  • 'Elfproef' [a bank account number check]
  • System Response
    You cannot continue processing.

    Procedure
    Check the employment tax number under which your organization isregistered with the tax authorities and enter the correct number.