U.S. Code / Title 7 — Agriculture / Chapter 57—Plant Variety Protection / Subchapter I—Plant Variety Protection OfficeTitle 7PartPart B—Legal Provisions as to the Plant Variety Protection OfficeContents§ 2351. Day for taking action falling on Saturday, Sunday, or holiday§ 2352. Form of papers filed§ 2353. Testimony in Plant Variety Protection Office cases§ 2354. Subpoenas; witnesses§ 2355. Effect of defective execution§ 2356. Regulations for practice before the Office§ 2357. Unauthorized practice