The commissioner may from time to time make changes in the forms of statements required by this chapter which seem to the commissioner best adapted to elicit from the companies a true exhibit of their condition in respect to the several points enumerated in this chapter . [C73, §1157; C97, §1719; C24, 27, 31, 35, 39, § 8950; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §515.68 ] 85 Acts, ch 228, §7