Tax Forms

Australian Taxation Office: All ATO Forms
Business and individual tax forms.
http://www.ato.gov.au/default.asp?menu=4096

Inland Revenue: Forms
UK tax forms for individuals and employees.
http://www.inlandrevenue.gov.uk/individuals/

New Zealand: Inland Revenue: Forms and Guides
Individual and business tax forms and guides.
http://www.ird.govt.nz/forms-guides/