84. Within 30 days preceding the anniversary date of the day the pensioner began to receive benefits, the Commission must require the employer to file a report containing
(1) the amount of basic salary paid to the pensioner in the 12 months preceding the anniversary date or which would have been paid to him had he not, among other things, been on leave without pay or receiving salary insurance benefits;
(2) the estimated amount of basic salary that the employer is to pay to him for the 12 months following the anniversary date;
(3) any other information required by the Commission.
The basic salary does not include any of the amounts determined under section 10.