the United States Government, United States Code — Title 35, Chapter 2…
“ Section 21. Filing date and day for taking action Section 22. Printing of papers filed Section 23. Testimony in Patent and Trademark Office cases Section 24. Subpoenas, witnesses Section 25. Declaration in lieu of oath Section 26. Effect of defective execution Amendments 2002 Pub. L. 107-273, div. C, title III, Sec. 13206 (a) (5) , Nov. 2, 2002, 116 Stat. 1904, substituted "Filing date and day for taking action" for "Day for taking action falling on Saturday, Sunday, or holiday" in item 21. ”
