1.3. Commission Implementing Decision (EU) 2018/552 of 6 April 2018 updating the references in Council Directive 2003/96/EC to the codes of the Combined Nomenclature for certain products and Commission - European Air Law (Update) View the chapter 1.3. Commission Implementing Decision (EU) 2018/552 of 6 April 2018 updating the references in Council Directive 2003/96/EC to the codes of the Combined Nomenclature for certain products and Commission by - European Air Law (Update) 1.3. Commission Implementing Decision (EU) 2018/552 of 6 April 2018 updating the references in Council Directive 2003/96/EC to the codes of the Combined Nomenclature for certain products and Commission