I am using F-67 for customer credit memo parking my requirment is if I post below 500/- SAR the document should not lock and the accountant can release the document through FBV0 t-code and if the accountant post above 500/-SAR than the document should lock and accountant cant able to release above 500/-SAR document through FBVO it must be released by the Finanace Director.Release Approval Level
Can we write a Validation Rule for the Above Requiremrnt if possible than tell me how