The trustee may, in the trustee's discretion, from time to time, determine
(1) the effective date of a conversion to a unitrust;
(2) the provisions for prorating a unitrust distribution for a short year in which a beneficiary's right to payments commences or ceases;
(3) the frequency of unitrust distributions during the year;
(4) the effect of other payments from or contributions to the trust on the trust's valuation;
(5) whether to value the trust's assets annually or more frequently;
(6) whether to use a smoothing period of three, four, or five years;
(7) what valuation dates to use;
(8) how frequently to value nonliquid assets and whether to estimate their value;
(9) whether to omit trust property occupied or possessed by a beneficiary from the calculations; and
(10) other matters necessary for the proper functioning of the unitrust.