On the Private Client Services Page, find links to comprehensive articles about high wealth planning. Updated annually and topics change periodically. Useful information about taxation for high net worth individuals.
Estate and Gift Tax
Northern Trust article titled, "Trust Design for State Income Tax Efficiency and Wealth Preservation" focuses on incomplete non-grantor trusts to obtain income tax and asset protection advantages while preserving stepped up basis.
From Pillsbury Winthrop tax page. These are the rates used to calculate imputed interest and discounts for federal tax purposes. Current and historical rates are available here.