7 C.F.R. § 6.41
(e) Quota cheese means the articles provided for in the following items of the Tariff Schedules of the United States:
117.00 (except Stilton produced in the United Kingdom); 117.05 (except Stilton produced in the United Kingdom); 117.15; 117.20; 117.25; 117.42; 117.44; 117.55; 117.60 (except Gammelost and Nokkelost); 117.75 (except goat's milk cheeses and soft-ripened cow's milk cheeses); 117.81; 117.86; 117.88 (except goat's milk cheeses and soft-ripened cow's milk cheeses);