In administering a total return unitrust, the trustee may, in its sole discretion but subject to the provisions of the governing instrument, determine:
(1) The effective date of the conversion;
(2) The timing of distributions during the year, if any, including provisions for prorating distributions for a short year when the effective date of a conversion takes place during the year;
(3) Whether distributions are to be made in cash or in kind or partly in cash and partly in kind;
(4) If the trust is reconverted to an income trust, the effective date of such reconversion; and
(5) Such other administrative issues as may be necessary or appropriate to carry out the purposes of this chapter.