`default_expense_account_id` (classification default for purchases)
default_expense_account_id (classification default for purchases)
default_expense_account_id is the party’s default expense or asset account suggestion for purchase classification. Bookkeeping uses it to pre-fill the most likely account for vendor invoices so purchase classification becomes close to automatic for common suppliers.
Defaults should remain overrideable per invoice or posting line, because real purchases can include exceptions such as assets, non-deductible costs, or mixed-category invoices.
Example values: acc-4000, acc-4300.