MINERAL ROYALTIES Personal holding company income, § 502 (h). MINERAL UNIT Definition, § 735 (a) (2). MINERALS Definition, § 735 (a) (7). Excess profits tax on profits from, § 731. MINES Depletion in case of discovery value, § 114 (b) (2). MINING AND TIMBER OPERATIONS Excess profits taxes Base period defined, § 735 (a) (5). Estimated recoverable units defined, § 735 (a) Excess output defined, § 735 (a) (4). Rule if income from excess output includes Nontaxable income from excess output, § 735 (b). Rule if income from excess output includes bonus payment, § 735 (d). Timber properties, § 735 (b) (3). MINISTERS Rental value of dwelling house, § 22 (b) (6). MINUS ADJUSTMENT Definition, § 761 (b) (2). MISCELLANEOUS ITEMS Exclusion from gross income, § 22 (b) (8). Estate taxes, § 850. MITIGATION OF EFFECT OF LIMITATION, ETC., IN INCOME TAX CASES Adjustment to be made, § 3801. MONEY OR MONEY'S WORTH Transfers in gross estate, § 812 (b) (5). MONTH Definition, § 930 (c). MUNICIPALITIES Contributions to Estate taxes, §§ 812 (d), 861 (a) (3). MUTUAL DITCH COMPANIES Exempt from income tax, § 101 (10). MUTUAL INSURANCE COMPANIES Excess profits taxes, § 710 (a) (4). MUTUAL INSURANCE COMPANIES OTHER THAN Amortization of premium and accrual of discount, Credits against net income, § 207 (g). Foreign corporations, § 207 (e). Investment expenses, § 207 (b) (4) (B). Foreign mutual insurance companies, § 207 (a) Gross amount between $75,000 and $125,000, § 207 No United States insurance business, § 207 (a) Net income defined, § 207 (b) (4). Net operating losses, § 208. Net premiums defined, § 207 (b) (2). MUTUAL INVESTMENT COMPANIES See "Regulated Investment Companies." MUTUAL MARINE INSURANCE COMPANIES See "Insurance Companies Other than Life or NON-DEDUCTIBLE ITEMS Amounts paid to holders of life or terminable in- Betterments, § 24 (a) (2). Carrying charges, § 24 (a) (7). Indebtedness to purchase endowment contract, § 24 Indebtedness to purchase single-premium life insur- Inter-corporation losses, § 24 (b) (1). Inter-fiduciary-beneficiary losses, § 24 (b) (1). New buildings, § 24 (a) (2). Permanent improvements, § 24 (a) (2). Unpaid interest, § 24 (c). NON-EXEMPT PROPERTY Definition, § 373 (e). NON-INTEREST-BEARING OBLIGATIONS Issued at discount, § 42 (b). NON-PROFITABLE ORGANIZATIONS Allowance of deductions and credits, § 215. Deductions from gross gifts, § 1004 (b). Deductions from gross income, § 213. Charitable, etc., contributions, § 213 (c). Losses, 213 (b). Estate taxes, § 860. Gross income, § 212. NONRESIDENTS See "Nonresident Aliens.'' NON-TAXABLE EXCHANGES See "Gain or Loss."' NON-TRADE EXPENSES Deductibility from gross income, § 23 (a) (2). NORMAL OUTPUT Definition, § 735 (a) (5). NORMAL TAX Corporations, § 13. Special classes, § 14 (a). Individuals, § 11. NORMAL UNIT PROFIT Definition, § 735 (a) (9). NOTICE Demand for payment of tax, § 3655. NOTICE OF DEFICIENCY Estate taxes, § 871 (a) (1). Address for, § 871 (a) (1). Jeopardy assessment, § 273 (b). NOTICE OF FIDUCIARY RELATIONSHIP Estate taxes, § 901. Address for notice of liability, § 901 (d). Fiduciary or decedent, § 901 (a). Fiduciary or transferee, § 901 (b). Gift taxes, § 1026. Fiduciary or donor, § 1026 (a). OBLIGATIONS OF THE CORPORATION Dividends paid in, § 27 (e). OBLIGATIONS OF THE UNITED STATES Credit against victory tax, defined, § 453 (a) (3). Credit for personal service corporations, § 394 (c). Information at source, § 147 (b). OBLIGEE Withholding of tax at source, § 143 (a) (3). Withholding of tax at source, § 143 (a) (3). Deductibility from gross income, § 23 (1). Definition, § 3797 (a) (2). PARTNERSHIP RULE Definition, § 24 (b) (2). PARTNERSHIPS Amortization deduction, § 190. Computation of partnership income, § 183. General rule, § 183 (a). Segregation of items, § 183 (b). Capital gains and losses, § 183 (b) (1). Ordinary net income or loss, § 183 (b) (2). Credit against net income, § 184. Credits for foreign taxes, §§ 131 (a) (4), 186. §§ 131 (a) (4), 186. Definition, § 3797 (a) (2). PAYMENT OF INCOME TAXES Cont. Extension of time, § 56 (c). General rule, § 56 (c) (1). Liquidation of personal holding companies, § 56 Foreign corporations, § 236. Fractional parts of cent, § 56 (g). Time, § 56 (a). Unjust enrichment tax, § 702 (c). Victory tax by withholding agent, § 468. Voluntary advance payment, § 56 (d). Withheld at source, § 143 (c). Foreign corporation, § 144. PAYROLL PERIOD Definition, §§ 465 (a), 1621 (b). PENALTIES Closing agreements, § 3762. Concealment of property, § 3762 (a). Withholding, falsifying or destroying records, Compromises, § 3762. Delinquency in payment of capital stock tax, § 1206. Ad valorem, § 894 (a). Failure to file return, § 3612 (d) (1). False or fraudulent return,. § 3612 (d) (2). Civil, 894 (b) (1). Criminal, § 894 (b) (2). Gift taxes Failure to file return, §§ 1018, 3612 (d) (1). Fraudulent return, § 1019 (b). Negligence, § 1019 (a). Income tax Attempt to defeat, § 145 (b). Attempt to evade, § 145 (b). Disclosing information on return, § 55 (f). Collect income taxes on wages, § 1626. File information return, § 145 (a). File information return of foreign personal holding company, § 340. File return, § 291 (a). Make declaration, § 294 (a) (3). Pay, § 145 (a), (b). Pay estimated tax, § 294 (a) (4). Withhold tax, § 145 (b). Fraudulent return, § 293 (b). Improper accumulation of surplus, § 102. Negligence, § 293 (a). Underestimation of estimated tax, § 294 (a) (5). Information and returns, § 3616. Suits by United States for, § 3745. Victory tax, § 470. Additional penalty, § 470 (b). Failure of withholding agent to file return, § 470 (c). Failure to furnish receipt, § 470 (a). Election as to deficiency dividends, § 506 (j) (1). Corporations making consolidated returns, § 501 Deficiency dividends, § 506. Definition, § 506 (c) (1). Deficiency dividends credit or refund, § 506. Unpaid deficiency, § 506 (b). Fraud, § 506 (f). No return filed, § 506 (f). Definition, § 501. Exceptions, § 501 (b). Exemption from excess profits tax, § 727. Extension of time for payment of income tax by, Foreign Personal Holding Companies. See "Foreign Liquidation of, § 56 (c) (2). Personal holding company income defined, § 502. Gains from transactions in Stock and securities, § 502 (b). Income from estates and trusts, § 502 (d). Income to shareholder, use of corporate property, § 502 (f). Interest, § 502 (a). Mineral, oil or gas royalties, § 502 (h). Personal service contracts, § 502 (e). PERSONAL HOLDING COMPANY INCOME Definition, § 502. PERSONAL PROPERTY Authority to distrain, § 3690. Casual sales of, installment basis, § 44 (b). |