Pub. L. 83-428, tit. I, sec. 102

Sec. 102. Where appropriations in this title are expendable for travel expenses of employees and no specific limitation has been placed thereon, the expenditures for such travel expenses may not exceed the amount set forth therefor in the budget estimates submitted for the appropriations: Provided, That this section shall not apply to travel performed by uncompensated officials of local boards and appeal boards of the Selective Service System.