Supplier Cost Adjustment Budget Accounts

Summary: Budget Account is not derived correctly in case of Supplier Cost Adjustments

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We are facing an issue during Supplier Cost Adjustment. We transfer supplier cost from Project A to Project B through PPM. The system doesn't derive Budget Account for Adjustment Entry.

For example, Transfer $100 from Project A to Project B

Original Transaction of Project A: $100

Budget Account: Fund 101 Department 1100 Expense Account 50102

Reversal Transaction of Project A: - $100
Budget Account: Fund 101 Department 1100 Expense Account 50102

Adjustment Transaction of Project B: $100

Budget Account: System doesn't derive it from the original transaction unless you write a TAD rule. TAD has a limitation that it doesn't derive Budget Account from Imported Raw Cost. So, how do we derive budget account?