Record the vendor ID and name, business entity, vendor account number, currency, statement date, ledger cutoff date and time, opening balance, statement activity, closing balance, and preparer. Save the original statement and the ledger extract used. If the statement spans several entities or currencies, separate them before comparison rather than forcing a net balance.
Build one row per item with document type, vendor reference, invoice or credit date, due date, gross amount, tax if relevant to the ledger, payment reference, ledger document ID, match status, and evidence link. This detail lets a reviewer distinguish an invoice from a payment or credit that happens to have the same amount.