(2) ORS 112.705 to 112.775 do not prevent married persons from severing or altering their interests in property to which ORS 112.705 to 112.775 apply.
(3) ORS 112.705 to 112.775 do not authorize a person to dispose of property by will if it is held under limitations imposed by law preventing testamentary disposition by that person.
(4) ORS 112.705 to 112.775 shall be so applied and construed as to effectuate their general purpose to make uniform the law with respect to the subject of ORS 112.705 to 112.775 among those states which enact it. [1973 c.205 §§7,8,9,10]