...
In this example, you purchase a security in entity TaxDemo2 with a Trade Date and Settle Date on 20140401; Par is 1,000,000.00, the Price is 99.00., and has been accrued to 20140406. A New Amortization Rule becomes effective, and the Amortization Method changes from Constant Yield 2 to Level Yield 2, retrospectively.
...