Issue with PO Charge Account Re-generation during Change Order

Summary:

Content (please ensure you mask any confidential information):

We are seeking assistance regarding an issue with our Account Rule configuration. Here is the current situation:

1. Background: To update the PO Variance Account, we modified the PO Charge Account and performed a Rebuild Account.
2. Account Rule: The Account Rule for the PO Variance Account is configured to derive its value from the PO Charge Account.
3. The Issue: When we change the PO Charge Account during a Change Order and execute Rebuild Account, the Charge Account is being re-generated (overwritten) instead of retaining the modified value.
4. Current Setup: To resolve this, we modified the Account Rule for the Charge Account as follows: