If you already have ISO 9001, you are almost there with implementing ISO 22000. Being an ISO product, ISO 22000 uses some of the same principles and applications as ISO 9001. Therefore, ISO 22000 consists of Quality Management and HACCP.
ISO 22000 can be used by businesses with production, processing, transport or distribution of food products. There is a strong focus on quality assurance therefore requires management commitment to the program.