§522.246. Butorphanol.
21 C.F.R. § 522.246
Notes, amendments, and revision history
Amendments
[72 FR 27957, May 18, 2007, as amended at 73 FR 31358, June 2, 2008; 74 FR 61516, Nov. 25, 2009; 75 FR 22524, Apr. 29, 2010; 77 FR 60302, Oct. 3, 2012; 78 FR 17597, Mar. 22, 2013; 79 FR 16184, Mar. 25, 2014; 79 FR 74020, Dec. 15, 2014; 80 FR 13229, Mar. 13, 2015; 87 FR 17945, Mar. 29, 2022; 88 FR 16547, Mar. 20, 2023; 91 FR 41560, July 7, 2026]
Authority
Authority: 21 U.S.C. 360b.
Source
Source: 40 FR 13858, Mar. 27, 1975, unless otherwise noted.
Amendments
[72 FR 27957, May 18, 2007, as amended at 73 FR 31358, June 2, 2008; 74 FR 61516, Nov. 25, 2009; 75 FR 22524, Apr. 29, 2010; 77 FR 60302, Oct. 3, 2012; 78 FR 17597, Mar. 22, 2013; 79 FR 16184, Mar. 25, 2014; 79 FR 74020, Dec. 15, 2014; 80 FR 13229, Mar. 13, 2015; 87 FR 17945, Mar. 29, 2022; 88 FR 16547, Mar. 20, 2023; 91 FR 41560, July 7, 2026]