Metrc-Compliant POS for Maine Tracking Update Readiness Guide

https://lukasunxo631.overblog.fr/2026/09/compliant-cannabis-pos-in-maine-exception-log-best-practices.html

Tracking updates may introduce new fields, package behaviors, validations, or user steps. Adult-use retailers should review the change before it affects production, then test the corresponding POS workflow and monitor exceptions after release