A bill to amend the Interstate Commerce Act and the Federal Aviation Act of 1958 in order to exempt certain compensation of employees from multiple taxation under the laws of States or subdivisions thereof other than the State or subdivision of residence or the State or subdivision wherein more than 50 percent of compensation is earned.

States that, under the Interstate Commerce Act and the Federal Aviation Act of 1958, no part of the compensation paid by rail, motor, water or air carriers to employees shall be withheld for income tax purposes pursuant to the laws of any State except the State in which more than 50 percent of the compensation is paid. States that if the employee did not earn more than 50 percent of his compensation from such carriers in any one State, or subdivision thereof, then withholding shall be required only for the State or subdivision of the employees residence.