on or before March 1 of the following year

On or before _____________ in each year every insurer must submit a report of its affairs and operations during the year ending on December 31 of the preceding year to the Commissioner of Insurance.

 3/1

 3/31

 4/15

 6/30

Correct

Every insurer is required to submit a report of its affairs and operations for the year ending December 31, on or before March 1 of the following year.