Ledger, bank, VAT and JPK_V7 draft with XSD validation

11 October 2026

The accounting foundation works and is covered by tests. The general ledger is append-only: corrections only through a correcting entry, and the Dr = Cr balance is enforced in the database.

Import of MT940 and CSV bank statements with matching of receipts and expenses and protection against race conditions.
Purchase invoices in a foreign currency with the invoice rate or NBP rate and settlement with an exchange rate difference.
A JPK_V7M/V7K draft whose generator is tested against the official XSD schemas. The file is ready to file: after approval you download the XML.
Bank account verification on the VAT white list and a split payment (MPP) reminder.
Closing and reopening periods, audit log and reports: profit and loss, balance sheet and ratios.