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Rule Subchapter: 42.23.4
Subchapter Title: Deductions
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42.23: CORPORATE INCOME TAX - GENERAL
42.23.4: Deductions


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Rule No Rule Title Latest
Version
Effective
Date
42.23.401 BUSINESS EXPENSES access file 10/12/2001
42.23.402 DEDUCTION FOR CERTAIN INTEREST INCOME REP 1/29/1982
42.23.403 TREATMENT OF OTHER TAXES PAID access file 11/26/2016
42.23.404 DEPRECIATION AND OBSOLESCENCE access file 9/8/1988
42.23.405 DEPLETION ALLOWANCE access file 10/12/2001
42.23.406 CONTRIBUTIONS TO PENSION AND PROFIT SHARING PLANS access file 12/31/1972
42.23.407 LIMITATION ON CHARITABLE CONTRIBUTION DEDUCTION access file 10/12/2001
Rules 42.23.408 through 42.23.410 reserved
42.23.411 LOSSES NOT COMPENSATED FOR access file 10/12/2001
42.23.412 NET OPERATING LOSSES TRANS 9/23/2011
42.23.413 CARRYOVERS OF NET OPERATING LOSSES TRANS 12/21/2001
42.23.414 FILINGS IN CONNECTION WITH NET OPERATING LOSSES TRANS 9/23/2011
42.23.415 TREATMENT OF MERGERS AND CONSOLIDATIONS TRANS 9/23/2011
42.23.416 ADJUSTMENT OF ALLOWABLE DEDUCTIONS REP 4/26/1996
42.23.417 COMPUTATION OF ADJUSTMENT REP 4/26/1996
42.23.418 DEDUCTIONS FOR CORPORATE DONATIONS OF COMPUTER EQUIPMENT TO SCHOOLS access file 10/12/2001
Rules 42.23.419 and 42.23.420 reserved
42.23.421 DEDUCTION FOR INVESTMENT FOR ENERGY CONSERVATION access file 11/26/2016
42.23.422 DETERMINATION OF CAPITAL INVESTMENT FOR ENERGY CONSERVATION access file 10/12/2001
42.23.423 TYPES OF APPROPRIATE INVESTMENTS FOR ENERGY CON - SERVATION PURPOSES access file 10/12/2001
42.23.424 SALE OF LAND TO A BEGINNING FARMER - CORPORATE INCOME TAX DEDUCTION access file 11/26/2016
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