• § 3201. Definitions

• § 3202. Penalty mail

• § 3203. Endorsements on penalty covers

• § 3204. Restrictions on use of penalty mail

• § 3205. Accounting for penalty covers

• § 3206. Reimbursement for penalty mail service

• § 3207. Limit of weight of penalty mail; postage on overweight matter

• § 3208. Shipment by most economical means

• § 3209. Executive departments to supply information

• § 3210. Franked mail transmitted by the Vice President, Members of Congress, and congressional officials

• § 3211. Public documents

• § 3212. Congressional Record under frank of Members of Congress

• § 3213. Seeds and reports from Department of Agriculture

• § 3214. Mailing privilege of former President; surviving spouse of former President

• § 3215. Lending or permitting use of frank unlawful

• § 3216. Reimbursement for franked mailings

• § 3217. Correspondence of members of diplomatic corps and consuls of countries of Postal Union of Americas and Spain

• § 3218. Franked mail for survivors of Members of Congress

• § 3219. Mailgrams

• § 3220. Use of official mail in the location and recovery of missing children