This rule expired at the end of 2014 and has not yet been extended for 2015. Many believe it will be extended, but it is advisable to wait until later this year to see what Congress does before making any such transfer.
Shifting income to a later year, such as where you defer taxable interest to the following year by purchasing a T-bill or savings certificate maturing after the end of the current year. Investments in qualified retirement plans provide tax deferral.