If a trustee determines that an allocation between principal and income required by section 5812.32, 5812.33, 5812.34, 5812.35, or 5812.38 of the Revised Code is insubstantial, the trustee may allocate the entire amount to principal unless one of the circumstances described in division (C) of section 5812.03 of the Revised Code applies to the allocation. This power may be exercised by a cotrustee in the circumstances described in division (D) of that section and may be released for the reasons and in the manner described in division (E) of the section. An allocation is presumed to be insubstantial if either of the following applies:
R.C. §5812.31