Gives recommendations on the application of CGMPs for drugs, devices, biologics, and human cells, tissues, and cellular and tissue based products during development and marketing of combination products (drug-device, biologic-device, drug-biologic, or drug-device-biologic), in accordance with the FDA's final rule (21 CFR Part 4; 78 FR 4307, 2013-hereafter 'The Rule' or 'FDA's Final Rule').