USC › Title 39 › §321339 U.S.C. § 3213Verified against govinfo.gov as of June 20, 2026View official text on govinfo.gov ↗Copy linkSeeds and agricultural reports emanating from the Department of Agriculture may be mailed—(1)as penalty mail by the Secretary of Agriculture; and(2)during the 90-day period immediately following the expiration of their terms of office, as franked mail by Members of Congress.