In all cases where a seal is necessary by law to any commission, process, or other instrument provided for by the laws of Congress, it shall be lawful to affix the proper seal by making an impression therewith directly on the paper to which such seal is necessary; which shall be as valid as if made on wax or other adhesive substance.
Structure US Code
CHAPTER 2— ACTS AND RESOLUTIONS; FORMALITIES OF ENACTMENT; REPEALS; SEALING OF INSTRUMENTS
§ 103. Enacting or resolving words after first section
§ 104. Numbering of sections; single proposition
§ 105. Title of appropriation Acts
§ 106. Printing bills and joint resolutions
§ 106b. Amendments to Constitution
§ 107. Parchment or paper for printing enrolled bills or resolutions
§ 108. Repeal of repealing act
§ 109. Repeal of statutes as affecting existing liabilities
§ 110. Saving clause of Revised Statutes
§ 111. Repeals as evidence of prior effectiveness
§ 112. Statutes at Large; contents; admissibility in evidence
§ 112b. United States international agreements; transmission to Congress