The individual who is eligible and the one who fits himself in the requirement criteria of the CSS examination is required to apply in the examination and enroll himself in the year he wishes to appear. In General the Federal Public Services Commission (FPSC) announce and opens the admission nd enrollment of the Candidates in November every year, and the same body is responsible to conduct the examination in the February every year.
- There are several processes which are being defined for the people of various categories. The first category is of those applicants who are currently working in any government organization or department, such candidates are being advised to bring a letter of permission in written form from their previous workplace or department which allows them to appear in the CSS examination, and without it such applicant will not be considered eligible for the exam.
- The candidate who is no more working in any government department and has left the job before appearing in the CSS examination are also prescribed to submit their application along with the copy as well as the original leaving certificate or the certificate which is being awarded on account of his services.
- The applicants which are being dismissed from the government or semi government organizations and departments will not being considered eligible so in such cases the respective application will not be processed and will be ultimately rejected.
In certain cases if the Federal Public Service Commission (FPSC) impose any limitation on the number of candidates appearing in the CSS examination and if the number of applicants is increasing the set limit in that scenario the FPSC holds the right to select the candidates on the basis of accurate and equal representation of all the provinces of the state as well as the several age concessions which will be given on the basis of the policy of the FPSC