U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
All Titles
Title 21
Chapter I
Part 300
Subpart B - Subpart B—Combination Drugs
§ 300.50 - Fixed-combination prescription drugs for humans.
Download the GovRegs app!
