Anybody can elaborate one-time 9% tax on existing wealth?

If we allow to do that, the foundation of capitalism will collapse.Private properties are not under protection anymore.

>>There have been several interesting analyses done on the “9-9-9” plan. Edward D. Kleinbard of the University of Southern California School of Law identifies several unusual quirks, including a “disguised one-time 9 percent tax on existing wealth — no doubt much to the surprise of Mr. Cain and his followers.” Kleinbard, former chief of staff of the nonpartisan Joint Committee on Taxation, says that “contrary to casual impressions, the Plan could be expected to raise substantial amounts of revenue, but does so largely by skewing downwards the distribution of tax burdens when compared to current law.”