The public Act number 169, sometimes called the Post Office Appropriation Act of 1916 or 1917 or the Post Office Department Appropriation Act, was an Act of the 64th United States Congress, which was passed on 28 July 1916, and which related to the fiscal year 1917. This Act was chapter 261 of the First Session of the 64th Congress. The Bill for this Act was H.R. 10484. The Act was part of United States federal law.
Section 5.
This provisions of this section, sometimes known as the Space Basis Act or the Railway Mail Service Pay Act authorized the Interstate Commerce Commission to determine fair and reasonable rates of compensation to be paid, upon a space basis, for the transportation of mail and any service connected therewith.
The 1916 Annual Report of the Long Island Rail Road stated:
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