21 CFR § 131.115 - Concentrated milk.
(a) Description. Concentrated milk is the liquid food obtained by partial removal of water from milk. The milkfat and total milk solids contents of the food are not less than 7.5 and 25.5 percent, respectively. It is pasteurized, but is not processed by heat so as to prevent spoilage. It may be homogenized.
(b) Vitamin addition (Optional). If added, vitamin D shall be present in such quantity that each fluid ounce of the food contains 25 International Units thereof, within limits of good manufacturing practice.
(1) Carrier for vitamin D.
(2) Characterizing flavoring ingredients, with or without coloring, as follows:
(i) Fruit and fruit juice, including concentrated fruit and fruit juice.
(ii) Natural and artificial food flavoring.
(d) Methods of analysis. Referenced methods are from “Official Methods of Analysis of the Association of Official Analytical Chemists,” 13th Ed. (1980), which is incorporated by reference. Copies may be obtained from the AOAC INTERNATIONAL, 481 North Frederick Ave., suite 500, Gaithersburg, MD 20877, or may be examined at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
(1) Milkfat content - “Fat - Official Final Action,” section 16.172.
(2) Total milk solids - “Total Solids - Official Final Action,” section 16.169.
(e) Nomenclature. The name of the food is “Concentrated milk” or alternatively “Condensed milk”. If the food contains added vitamin D, the phrase “vitamin D” or “vitamin D added” shall accompany the name of the food wherever it appears on the principal display panel or panels of the label in letters not less than one-half the height of the letters used in such name. The word “homogenized” may appear on the label if the food has been homogenized. The name of the food shall include a declaration of the presence of any characterizing flavoring, as specified in § 101.22 of this chapter.