(a)If, for any reason, the taxes imposed on income of a…#
(a) If, for any reason, the taxes imposed on income of a trust which is taxable to the trust because the fiduciary or beneficiary is a resident of this state are not paid when due and remain unpaid when that income is distributable to the beneficiary, or in case the income is distributable to the beneficiary before the taxes are due, if the taxes are not paid when due, such income shall be taxable to the beneficiary when distributable to him except that in the case of a nonresident beneficiary such income shall be taxable only to the extent it is derived from sources within this state.