Canada Revenue Agency Website 
http://www.cra-arc.gc.ca/menu-e.html

GST Netfile
http://www.cra-arc.gc.ca/eservices/tax/business/gsthst-netfile/menu-e.html

Payroll Tables on Diskette 
http://www.cra-arc.gc.ca/tax/business/tod/menu-e.html#pc

Ministry Of Finance
http://www.fin.gov.on.ca

Human Resources Development Canada
http://www.hrsdc.gc.ca/en/home.shtml

Social Development Canada
http://www.sdc.gc.ca/en/home.shtml

CGA Ontario
www.cga-ontario.org

CGA Canada
www.cga-canada.org