Civil Service Personnel Rule 62
62. In awarding the emolument and fee, the following conditions shall be followed:
(a) the work done by the service personnel is being a special work of occasional character and beyond his regular duties or the work performed outstandingly;
(b) the work is being undertaken with the prior consent of the head of the service personnel organization who believes that the service personnel can perform it without detriment to his regular duties;
(c) the emolument or fees to be awarded is being at the rate prescribed by the State. If there is no prescribed rate, fixing in advance the amount by the head of service personnel organization with due regard to the value of the service in return for which it is given by the service personnel.