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013-1399d
2003 CT23 Short-Form Corporations Tax and Annual Return / Guide # 1401C (2003)Annual corporate tax return and information guide for smaller corporations with permanent establishments in Ontario and meeting specific requirements.013-1850
Application for Arbitration Form C013-0241s
2001 CT23 Corporations Tax and Annual Return / Guide # 1000 (2001)Annual corporate tax return for corporations with permanent establishments in Ontario.013-0241u
2003 CT23 Corporations Tax and Annual Return / Guide # 1000 (2003)Annual corporate tax return for corporations with permanent establishments in Ontario.013-0241r
2000 CT23 Corporations Tax and Annual Return / Guide # 1000 (2000)Annual corporate tax return for corporations with permanent establishments in Ontario.013-0241t
2002 CT23 Corporations Tax and Annual Return / Guide # 1000 (2002)Annual corporate tax return for corporations with permanent establishments in Ontario.013-0241w
2006 CT23 Corporations Tax and Annual Return / Guide # 1000 (2006)Annual corporate tax return for corporations with permanent establishments in Ontario.013-0241x
2007 CT23 Corporations Tax and Annual Return / Guide # 1000 (2007)Annual corporate tax return for corporations with permanent establishments in Ontario.013-2083
Ontario Scientific Research and Experimental Development Expenditures CT23 Schedule 161This schedule is used to calculate Ontario Scientific Research and Experimental Development Expenditures (SR & ED).
