Patient blister cards and issued prescription bottles are not returnable for credit. These products can be compliantly destroyed as long as PharmaLink does not receive any hazardous waste. Products sent to PharmaLink for destruction must be accounted for in your inventory report. If the shipment contained controlled substances, the shipper must be a DEA registrant. Please call PharmaLink at (800) 257-3527 ext. 267 if you have any questions.