There is no pre determined method for documenting ownership at the subterranean levels. One way would be to get an Appendix A for the customer and another for each legal entity purported to own 25% or more. While I would assume any vendor would have a proposed work around, Daisy's should allow you to proceed...
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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.