I suppose I should add that this was a description of the first generation planning. This third generation planning exploited an exclusion in the character conversion rules that was intended to apply in the case of a mergers and acquisitions style of transaction, where you're buying shares at some point in the future because you're buying a company. This new planning attempted to use that exclusion in order to obtain the same results.
On May 13th, 2021. See this statement in context.