finance.ledger.journal-validate
Check a double-entry journal: debits equal credits, no zero or two-sided lines, one currency, well-formed account codes.
validate_journal in PythonTagged credit
3 capabilities
finance.ledger.trial-balance
Trial balance from journal lines: debit or credit balance per account, and proof that debits equal credits.
trial_balance in Python
subscriptions.proration
Mid-cycle plan change: credit for unused time on the old plan and charge for the rest of the period on the new one.
prorate_change in Python