The implementation of food safety system (HACCP) is a continuous process based on the management concepts of an iterative four-step management methods; the PDCA cycle (plan, do,check and act).3.1. Listing the prerequisite programs (PRPs) (ISO 22000, section7.2.)3.2. Preliminary steps to enable hazard analysis 3.2.1. Food safety team 3.2.2. Product characteristics and intended use 3.2.3. Flow diagrams