The two important sources of staffing are:
(a) Promotions: The promotion policy is followed as a motivational technique for the employees who work hard and show good performance. Promotion results in enhancements in pay, position, responsibility and authority. The important requirement for implementation of the promotion policy is that the terms, condi­tions, rules and regulations should be well-defined.
(b) Press advertisements: A wide choice for selecting the appropriate candidate for the post is avail­able through this source. It gives publicity to the vacant posts and the details about the job in the form of job description and job specification are made available to public in general.