The Commissioner shall: determine and establish the form and organization of the Department; appoint individuals above the rank of lieutenant; as necessary to best serve the interests of the City:assign, reassign, allocate, and reallocate duties to Department staff; and assign, reassign, allocate, and reallocate Department staff to organizational subdivisions of the Department; determine and establish:the classification of ranks, grades, and positions; uniform insignia; the powers, duties, rights, and privileges for Department staff; and the order of succession for positions of command; with the consent of the Department of Human Resources, determine and establish positions within the Department for civilian employees; appoint, promote, reduce in rank, grade, or position, reassign, reclassify, retire, and discharge Department staff in the manner prescribed by law; institute a system of:periodic performance evaluation for Department staff; and regular physical examination of Department staff, as necessary for the employee to effectively perform assigned duties; make and execute contracts and other instruments as may be authorized in the exercise and performance of the powers of the Commissioner and the Department; establish, maintain, and modify systems for the reception, processing, and maintenance of:reports and records of occurrences or alleged occurrences of crime within the City; and reports and records of the administration, management, and operation of the Department; and adopt rules and regulations to effectively discharge the powers and duties of the Commissioner and Department.