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013-1539
Taxable Capital of Associated Corporations Schedule CT21This schedule must be completed in determining the aggregate taxable capital of an associated group and/or partnership that has a permanent establishment in Canada.013-1349
Eligible Investments - Partnerships/Joint VenturesThis schedule provides the calculation of a corporation's share of partnership / joint venture eligible investments for the investment allowance.013-1487
Total of Other Deductions Allowed by OntarioThis supplemental schedule itemizes other deductions allowed by Ontario not previously deducted in calculating net income/loss for Ontario purposes.013-1478
Total of Other Items Not Allowed by Ontario but Allowed FederallyThis supplemental schedule itemizes other deductions not allowed by Ontario but allowed federally in calculating net income / loss for Ontario purposes.013-1399b
2001 CT23 Short-Form Corporations Tax and Annual Return / Guide # 1401A (2001)Annual corporate tax return and information guide for smaller corporations with permanent establishments in Ontario and meeting specific requirements.013-1399c
2002 CT23 Short-Form Corporations Tax and Annual Return / Guide # 1401B (2002)Annual corporate tax return and information guide for smaller corporations with permanent establishments in Ontario and meeting specific requirements.013-0393
Ontario CT Schedule 24This schedule must be filed by corporations for the first year of filing after incorporation, amalgamation, or by parent corporations filing for the first time after winding-up a subsidiary corporation(s) under section 88 of the Income Tax Act during the current taxation year.013-1512
Ontario Research and Developement Super Allowance Schedule 160To be completed when claiming the Ontario research and development super allowance.013-2009
2001 CT 23 Short-Form Corporations Tax and Annual Return - 2001/2002 Update FormThis is an interim form and is to be used as a supplement to the 2001 version of the CT23 Short-Form tax return for taxation years ending after September 30, 2001. Once the 2002 version of the Short-Form tax return has been released this Update Form will no longer be required.013-1399e
2000 CT23 Short-Form Corporations Tax and Annual Return / Guide # 1401 (2000)Annual corporate tax return and information guide for smaller corporations with permanent establishments in Ontario and meeting specific requirements.013-1352
Corporate Minimum Tax- Associated CorporationsThis is a supplemental schedule to the corporate minimum tax which should be completed by corporations that are associated with a Canadian or foreign corporation, if there is insufficient space on the CT23 Corporations Tax and Annual Return.013-1480
Taxable Capital of Associated Corporations (Schedule CT22)This supplemental schedule for capital tax should be completed by corporations that are associated with a Canadian or foreign corporation, if there is insufficient space on the CT23 Corporations Tax and Annual Return.013-0316
Notice of Revocation of Waiver - Corporations Tax ActOnline version 0316F (2006/09) - For use by corporations to revoke, under clause 80(12) (a) of the Corporations Tax Act, a waiver previously filed under subclause 80(11) (a) (iv), in respect of the time limit for issuing reassessments.