If you're using Project Management & Accounting and Accounts Receivable in AX (D365 for Ops) and you have a Maximum penny difference and Maximum over/underpayment value set here in A/R Parameters>>Settlement -
Any Project invoice for an amount less than or equal to the Maximum over/under payment tolerance will transfer automatically to the general ledger account you have specified here -
When you post the Project invoice, it will post and offer this message -
And here are the journal vouchers created upon posting, indicating the write off from A/R account to the Rounding account.
Strange but true!