2009 California Food and Agricultural Code - Section 38895.1-38895.2 :: Article 41. Lactose Reduced Dairy Products

38895.1.  Safe and suitable enzymes, as approved by the director,
may be added to dairy products for the purpose of conversion of
lactose to glucose or galactose. Any added enzyme shall appear in the
ingredient list of the product.

38895.2.  "Lactose reduced" may be included in the nomenclature of
the product if there has been conversion of sufficient amounts of
lactose to glucose or galactose so that the remaining lactose is less
than 30 percent of the original lactose of the dairy product.
Lactose reduced dairy products shall meet all other compositional
standards for the products except that the minimum solids-not-fat
content for reduced-fat, lowfat, or light (lite) milk, and flavored
reduced-fat, lowfat, or light (lite) milk, labeled as "lactose
reduced" shall be 8.7 percent.