Union Civil Service Board Law 15

15. (a) If the Chairperson desires to resign from office on his own volition for any cause before the expiry of the term of office, he may resign from office after submitting his desire to resign as such in writing to the President.
(b) If any member desires to resign from office as contained in sub-section (a), he may resign from office after submitting his written resignation to the President through the Chairperson.