The SS 620 (Good Distribution Practice for Medical Devices (GDPMDS)) certification is for organizations involved in the capacity, exchange, and conveyance of clinical devices. GDPMDS-certified organizations have established procedures and cycles to ensure that clinical devices are appropriately stored, moved, and handled under reasonable conditions in accordance with administrative requirements or product specifications.

Organizations must set up, create, maintain, and control conveyance exercises and cycles to ensure the quality and integrity of clinical devices throughout the circulation measures.