Add support for New Zealand GST

CloCkWeRX opened this issue 12 years ago · 0 comments

CloCkWeRX commented 12 years ago

http://en.wikipedia.org/wiki/Goods_and_Services_Tax_(New_Zealand)

1 October 1986 at a rate of 10%
increased to 12.5% on 1 July 1989
increased to 15% on 1 October 2010