A food is not subject to the labeling requirements of this subtitle if a rule or regulation is adopted as provided under this section to exempt it. Subject to the provisions of § 21-241 of this subtitle, any rule or regulation adopted under the federal act to exempt a food from labeling requirements is effective automatically in this State. In addition to the State adopted federal rules and regulations, the Secretary shall adopt rules and regulations to exempt from the labeling requirements of this subtitle any food that is to be transported in substantial quantities from one establishment to another, if: In accordance with the practice of the trade, the food is to be processed, labeled, or repacked at the second establishment; and The Secretary has a reasonable basis to believe that the food will not be misbranded or adulterated when it is removed from the second establishment.