Persons and governmental organizations authorized to use penalty mail shall supply all information requested by the Postal Service necessary to carry out the provisions of this chapter as soon as practicable after request therefor.
Section effective July 1, 1971, pursuant to Resolution No. 71–9 of the Board of Governors. See section 15(a) of Pub. L. 91–375, set out as a note preceding section 101 of this title.