On or before June 15 of each year, each county board of taxation shall, on a form prescribed by the director, certify to the director from the tax lists certified with it for each taxing district for the current tax year the following:
a. Number of tax deductions allowed for the current tax year;
b. Total dollar amount of tax deductions allowed for the current tax year;
c. Separately, the number and dollar amount of tax deductions allowed or disallowed, as certified by the collector, from the time of certification made the previous year and prior to certification for the current year;
d. The totals for a., b., and c. above, by district and for the county as a whole.