21 C.F.R. § 357.280 Professional labeling.
Title 21 - Food and Drugs
The labeling provided to health professionals (but not to the general public) may contain the following information for ingredients identified in §357.210: Indication. “For visualization of biliary ducts during cholecystography.” [54 FR 8321, Feb. 28, 1989]
Title 21: Food and Drugs
PART 357—MISCELLANEOUS INTERNAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
Subpart C—Cholecystokinetic Drug Products
§ 357.280 Professional labeling.