...amended, which requires us, as soon as practicable, to prescribe, for carriers subject to the act, the classes of property for which depreciation charges...respect to each of such classes of property, classifying the carriers as we may deem proper for this purpose; and is supplemental to the telephone and steam-railroad...

...: * The Commission shall, as soon as practicable, prescribe, for carriers subject to this Act, the classes of property for which depreciation charges...Included under operating expenses, and the percentages of depreclatl< which shall be charged with respect to each of such classes of property, cla sifying the...

...accounts shall be kept. "(4) The Commission shall, as soon as practicable, prescribe for carriers the classes of property for which depreciation charges...properly be included under operating expenses, and the rate or rates of depreciation which shall be charged with respect to each of such classes of property,...

...numbered 14700 and 15100, adopted November 2, 1926, and effective January i, 1929, prescribes "the classes of property for which depreciation charges...properly be included under operating expenses and the percentage of depreciation which shall be charged with respect to each of such classes of property,"...

...moneys. The Commission shall, as soon as practicable, prescribe, for carriers subject to this Act, the classes of property for which depreciation charges...included under operating expenses, and the percentages of deprecia[99l which shall be charged with respect to each of such classes of property, classifying the...

...moneys. The Commission shall, as soon as practicable, prescribe, for carriers subject to this Act, the classes of property for which depreciation charges...respect to each of such classes of property, classifying the carriers as it may deem proper for this purpose. The Commission may, when it deems necessary, modify...

...moneys. The Commission shall, as soon as practicable, prescribe, for carriers subject to this Act, the classes of property for which depreciation charges...respect to each of such classes of property, classifying the carriers aa it may deem proper for this purpose. The Commission may, when it deems necessary, modify...

...commerce act now requires us to prescribe as soon as practicable for carriers subject to the act the classes of property for which depreciation charges...with respect to each of such classes of property. For the purpose of carrying out these requirements a special section of the bureau has been created...

.... ." The company petitions : "That the Commission will find that for Class I carriers there arc no 'classes of property for which depreciation charges...properly be included under operating expenses,' and that it will require that the maintenance charges for any calendar year, including charges for renewals...

...commerce act which require us to prescribe as soon as practicable for carriers subject to the act the classes of property for which depreciation charges...percentages • of depreciation which shall be charged in respect of each of such classes of property. Much%progress has been made in the work of this section....