Business Central customers require more flexibility with prepayments, for example, an ability to apply one or multiple prepayment invoices to a document like it is in D365 for Finance, also to choose the types of prepayment (deposit or tax invoice).

This also should be considered in the context of non-deductible VAT, unrealized VAT, multiple VAT registration numbers depending on address.

To be available not only in sales and purchase, but also in project management and service management.

https://learn.microsoft.com/en-us/dynamics365/finance/accounts-receivable/customer-prepayment-invoice#post-the-final-invoice-and-apply-the-prepayment