Classification of HDPE strips and sacks mandated under specified tariff headings to ensure uniform assessment and trade notice. The Board directs uniform tariff classification: HDPE strips and tapes of width not exceeding 5 mm must be classified under sub heading 3920.32 and sacks made therefrom under sub heading 3923.90, issued as an administrative order to ensure consistent assessment practice and to be notified to Collectors and Assessing Officers pending final judicial determination.