C.R.S. § 25-5.5-305.5

Low-fat frozen dairy dessert shall conform in all respects to the definition and standard of identity for ice cream prescribed in section 25-5.5-303 ; except that it shall contain not less than one and five-tenths percent nor more than one and nine-tenths percent of milk fat and not less than twelve percent total milk-solids-non-fat and except that it shall contain not less than one and three-tenths pounds of food solids per gallon.