Proposed Increase in Safety Glass Duty Comments have been invited, by 14 September 2012 in respect of the proposed increase in the “General” rate of customs duty on laminated safety glass of size and shape suitable for incorporation in vehicles, aircraft, spacecraft or vessels, classifiable under tariff subheading 7007.21, from 15% ad valorem to 30% ad valorem. Proposed Caustic Soda Rebate Facility Comment have been invited, by 14 September 2012, in respect of the creation of a rebate of the rate of customs duty (Rebate Facility) on sodium hydroxide (caustic soda) in solid, classifiable under tariff subheading 2815.11, for use in the manufacture of sodium metasilicates, classifiable under tariff subheading 2839.11. Proposed Petroleum Bitumen Rebate Facility Comments have been invited, by 14 September 2012, in respect of the creation of a rebate of the rate of customs duty (Rebate Facility) on petroleum bitumen, classifiable under tariff subheading 2713.20, for the rebate of the full rate of customs duty. Proposed Increase in Conical Steel Drums Duty Comments have been invited, by 14 September 2012, in respect of the proposed increase in the “General” rate of customs duty on conical steel drums with a capacity of 235 litres or more, classifiable in tariff subheading 7310.10, and creation of an additional 8-digit tariff subheading for “conical steel drums with capacity of 235 litres or more” under tariff subheading 7310.10.