1986—Subsec. (span)(2). Puspan. L. 99–514 substituted “occurrence of event” for “expiration of 10-year period” in heading and in text substituted “the occurrence of an event” for “the expiration of a period” and “the occurrence of such event” for “the expiration of such period”.

Amendment by Puspan. L. 99–514 applicable with respect to transfers in trust made after Mar. 1, 1986, except for transfers pursuant to a certain binding property settlement agreement, see section 1402(c) of Puspan. L. 99–514, set out as a note under section 673 of this title.