Final answer:
The job specification provides a written statement of the necessary qualifications of the job incumbent.
Step-by-step explanation:
The correct answer is C) The job specification.
A job specification is a part of job documentation that provides a written statement of the necessary qualifications of the job incumbent. It typically includes details such as required experience, educational background, skills, knowledge, and abilities that are necessary to perform the job successfully.
For example, if a job requires a bachelor's degree in computer science and at least two years of relevant work experience, those qualifications would be listed in the job specification.