IndicaOnline Cannabis POS for Returns and Metrc Adjustments

https://wiki-book.win/index.php/IndicaOnline_Cannabis_POS_and_Metrc_COA_Compliance_in_MA

Returns, exchanges, and adjustments are exceptions to normal retail flow, which is why they deserve stronger controls rather than looser ones. In cannabis, each exception can change regulated inventory and the Metrc record