| Introduction | 1201 |
| Trade or Business Losses | 1202 |
| Loss on Transactions Entered into for Profit | 1203 |
| Hobby Losses | 1204 |
| Abandonment of Assets | 1205 |
| Demolition of Buildings | 1206 |
| Worthless Stocks | 1207 |
| Family Losses | 1208 |
| The “At-Risk” Limitation | 1209 |
| The Passive Loss Rules | |
| Introduction | 1210 |
| What is Passive Activity Income | 1211 |
| Special Rule For Losses From Rental Real Estate | 1212 |
| The Passive Activity Loss Carryover | 1213 |
| Casualty Losses | |
| What is a Casualty Loss and What is Deductible | 1214 |
| Amount of Loss | 1215 |
| Personal Casualty Losses | 1216 |
| Limitations on Personal Casualty Losses | 1217 |
| Netting of Personal Casualty Gains & Losses | 1218 |
| Husband and Wife | 1219 |
| Business Casualty Losses | 1220 |
| Insurance or Other Compensation | 1221 |
| When to Deduct a Casualty Loss | 1222 |
| Special Rule for Disaster Losses | 1223 |
| Gambling Losses | 1224 |
| Net Operating Loss | 1225 |
| Early Attempts at Income Taxation | 101 |
| The Present Income Tax Law | 102 |
| Introduction – General Principles – Definitions | 103 |
| Classification of Taxpayers | 104 |
| Purpose of the Income Tax Return – Withholding and Estimated Tax | 105 |
| Accounting Period -The Taxable Year | 106 |
| Accounting Methods | 107 |
| The Cash Basis | 108 |
| The Accrual Basis | 109 |
| Change in Accounting Method | 110 |
| When to File the Income Tax Return | 111 |
| Penalties | 112 |
| Installment Payment of Tax | 112A |
| Where and How To File Manual and Electronic Filing | 113 |
| Who Must File a Return | 114 |
| Joint Return of Husband & Wife | 115 |
| Separate Return of Husband & Wife | 116 |
| Who is considered as “Married”? | 117 |
| Special Provision for Married Persons Living Apart | 118 |
| Minors | 119 |
| The Tax Return Forms and Schedules | 120 |
| Payment of the Tax | 121 |
| Section II | |
| Introduction | 122 |
| Gross Income | 123 |
| Deductions from Gross Income | 124 |
| Adjusted Gross Income | 125 |
| Deductions from Adjusted Gross Income | 126 |
| Taxable Income | 127 |
| Tax Credits | 128 |
| The Filing Requirements for Special Taxpayers | 129 |
| Introduction | 1201 |
| Trade or Business Losses | 1202 |
| Loss on Transactions Entered into for Profit | 1203 |
| Hobby Losses | 1204 |
| Abandonment of Assets | 1205 |
| Demolition of Buildings | 1206 |
| Worthless Stocks | 1207 |
| Family Losses | 1208 |
| The “At-Risk” Limitation | 1209 |
| The Passive Loss Rules | |
| Introduction | 1210 |
| What is Passive Activity Income | 1211 |
| Special Rule For Losses From Rental Real Estate | 1212 |
| The Passive Activity Loss Carryover | 1213 |
| Casualty Losses | |
| What is a Casualty Loss and What is Deductible | 1214 |
| Amount of Loss | 1215 |
| Personal Casualty Losses | 1216 |
| Limitations on Personal Casualty Losses | 1217 |
| Netting of Personal Casualty Gains & Losses | 1218 |
| Husband and Wife | 1219 |
| Business Casualty Losses | 1220 |
| Insurance or Other Compensation | 1221 |
| When to Deduct a Casualty Loss | 1222 |
| Special Rule for Disaster Losses | 1223 |
| Gambling Losses | 1224 |
| Net Operating Loss | 1225 |
| Early Attempts at Income Taxation | 101 |
| The Present Income Tax Law | 102 |
| Introduction – General Principles – Definitions | 103 |
| Classification of Taxpayers | 104 |
| Purpose of the Income Tax Return – Withholding and Estimated Tax | 105 |
| Accounting Period -The Taxable Year | 106 |
| Accounting Methods | 107 |
| The Cash Basis | 108 |
| The Accrual Basis | 109 |
| Change in Accounting Method | 110 |
| When to File the Income Tax Return | 111 |
| Penalties | 112 |
| Installment Payment of Tax | 112A |
| Where and How To File Manual and Electronic Filing | 113 |
| Who Must File a Return | 114 |
| Joint Return of Husband & Wife | 115 |
| Separate Return of Husband & Wife | 116 |
| Who is considered as “Married”? | 117 |
| Special Provision for Married Persons Living Apart | 118 |
| Minors | 119 |
| The Tax Return Forms and Schedules | 120 |
| Payment of the Tax | 121 |
| Section II | |
| Introduction | 122 |
| Gross Income | 123 |
| Deductions from Gross Income | 124 |
| Adjusted Gross Income | 125 |
| Deductions from Adjusted Gross Income | 126 |
| Taxable Income | 127 |
| Tax Credits | 128 |
| The Filing Requirements for Special Taxpayers | 129 |