(a) A unitrust policy must provide the period used under K.S.A. 58-9a-306 and 58-9a-307 , and amendments thereto. Except as otherwise provided in K.S.A. 58-9a-309 (b)(3), and amendments thereto, the period may be:
(1) A calendar year;
(2) a 12-month period other than a calendar year;
(3) a calendar quarter;
(4) a three-month period other than a calendar quarter; or
(5) another period.
(b) Except as otherwise provided in K.S.A. 58-9a-309 (b), and amendments thereto, a unitrust policy may provide standards for:
(1) Using fewer preceding periods under K.S.A. 58-9a-306 (a)(2)(B), (b)(3) or (b)(4), and amendments thereto, if:
(A) The trust was not in existence in a preceding period; or
(B) market indices or other published data are not available for a preceding period;
(2) using fewer preceding periods under K.S.A. 58-9a-307 (b)(5)(A) or (B), (6)(B) or (7)(B), and amendments thereto, if:
(A) The trust was not in existence in a preceding period; or
(B) fair market values are not available for a preceding period; and
(3) prorating the unitrust amount on a daily basis for a part of a period in which the trust or the administration of the trust as a unitrust or the interest of any beneficiary commences or terminates.