After the announcement of forward guidance on 4 July 2013 the money market curve flattened and shifted down, with forward rates declining by around five basis points at maturities beyond six months.
The transparent windows are larger, and striking holographic features will help to make the notes very easy to verify, but hard to counterfeit. More details about these features will be made available closer to the time the notes are released. New Zealand is very fortunate, in that we have low rates of counterfeiting by international standards.