Glossary

Package ledger

BudAlly's append-only event ledger keyed by license and package tag (or NMS2S Item ID): every receipt, transfer, invoice line, credit, adjustment and sale, with the money columns the state system lacks.

Why it matters for reconciliation: the state system knows quantities but not money, and the POS knows money but not always the package. A ledger keyed by license and tag holds both, with every event appended, so any number in a report can be rebuilt from its events.

Example: a store asks why one package's margin was low. The ledger shows the receipt at accepted quantity, the freight, the sales against its tag and a later credit. Because events are appended and never changed, a correction appears as a new event pointing at the one it supersedes.