income shall be considered available to each spouse as provided in the trust, or, in the absence of a specific provision in the trust—
(I)#
if payment of income is made solely to the institutionalized spouse or the community spouse, the income shall be considered available only to that respective spouse;
(II)#
if payment of income is made to both the institutionalized spouse and the community spouse, one-half of the income shall be considered available to each of them; and
(III)#
if payment of income is made to the institutionalized spouse or the community spouse, or both, and to another person or persons, the income shall be considered available to each spouse in proportion to the spouse’s interest (or, if payment is made with respect to both spouses and no such interest is specified, one-half of the joint interest shall be considered available to each spouse).