The following are found in a job contract, except:

In a job contract, essential components typically include the duration of employment, terms on confidentiality, and provisions regarding relocation. Each element serves a specific purpose in defining the rights and obligations of both the employer and the employee.

The duration of employment outlines the time frame for which the employee is being hired, clarifying whether the position is permanent, temporary, or for a fixed term. Terms on confidentiality protect sensitive company information and ensure that employees are aware of their responsibilities regarding proprietary information. Provisions on relocation can specify any conditions under which an employee may be expected to move for their job, detailing whether the employer will assist with these changes.

The phrase "None of the above" indicates that all the listed options (A, B, and C) are indeed commonly found in a job contract. Therefore, it is correct to conclude that there is no item in the list that does not belong in a job contract, supporting the answer selection.