31 CFR § 11.2 - Policy.

Blind vendors licensed by State licensing agencies designated by the Secretary of Education under the provisions of the Randolph-Sheppard Act (20 U.S.C. 107 et seq.) shall be given priority in the location and operation of vending facilities, including vending machines, on property controlled by the Department of the Treasury, provided the location or operation of such facility would not adversely affect the interests of the United States. Treasury bureaus shall ensure that the collection and distribution of vending machine income from vending machines on Treasury-controlled property shall be in compliance with the regulations set forth in 34 CFR 395.32. Blind vendors shall also be given priority on Treasury-controlled property in the operation of cafeterias according to 34 CFR 395.33.