(1)    If an instrument transfers an interest for life or years and a future interest to take effect on a stated contingency not defeating or avoiding the prior interest transferred, and the stated contingency occurs before the normal termination of the prior interest transferred, the future interest takes effect at the normal termination of the prior interest.

   (2)   The effect of a renunciation or release of an interest for life or years is as provided in ss. 700.27 (8) and 854.13 (10).