FIFA has a referees section which includes coaching material and news:

www.fifa.com/aboutfifa/developing/refereeing/index.html

New Zealand Football has a Referees section, which includes newsletters, information on referee development, and various forms:

New Zealand Football Referees

Other useful contacts:

Mainland Football

www.mainlandfootball.co.nz

Capital Football

www.capitalfootball.org.nz

Central Football

www.centralfootball.co.nz

Waikato/Bay of Plenty

www.waibopfootball.co.nz

Auckland

www.aucklandfootball.org.nz

United Soccer 1

www.unitedsoccer1.org.nz