(1) Except as provided in 72-2-1005 and subsections (2) and (3) of this section, the time of creation of a nonvested property interest or a power of appointment is determined under general principles of property law.
(2) For purposes of this part, if there is a person who alone can exercise a power created by a governing instrument to become the unqualified beneficial owner of a nonvested property interest or a property interest subject to a power of appointment described in 72-2-1002 (2) or (3), the nonvested property interest or power of appointment is created when the power to become the unqualified beneficial owner terminates.
(3) For purposes of this part, a nonvested property interest or a power of appointment arising from a transfer of property to a previously funded trust or other existing property arrangement is created when the nonvested property interest or power of appointment in the original contribution was created.