You may be missing the point your respondents are trying to make; no one said "beneficial ownership" is going to go away. FinCEN will do it in order to save face with the FATF community, that's simply a given. Even though the information banks will be required to obtain is unverifiable and, therefor, totally unreliable, they will still do it.
On the other hand, all of those responding have correctly said that it is not "done" yet; no one could intelligently allocate time and resources to planning for this because there are dozens of possible variations in its final structure. The final CIP regulation was substantially different than the proposed version; anyone who set up their program based on the proposal had some dismantling to do.
In this case, there isn't even a proposal...
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In this world you must be oh so smart or oh so pleasant. Well, for years I was smart. I recommend pleasant.