| 
 | 
 | Valid from
 | Valid to
 | 
        
          
            | 20132319 | Alkali or alkaline-earth metals; rare-earth metals; mercury (excluding cerium, lanthanum, praseodymium, neodymium and samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium and scandium metal) | 01.01.2022 | 09.09.9999 | 
        
          
            | 20146135 | Aldehyde-alcohols, Aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function | 01.01.2020 | 09.09.9999 | 
        
          
            | 20146361 | Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulphonated, nitrated or nitrosated derivatives | 01.01.2022 | 09.09.9999 | 
        
          
            | 17231380 | Albums for samples, collections, stamps or photographs, of paper or paperboard | 01.01.2020 | 09.09.9999 | 
        
          
            | 20596120 | Albumins; albuminates and other derivatives (excluding egg albumin) | 01.01.2025 | 09.09.9999 | 
        
          
            | 30311100 | Aircraft spark-ignition internal combustion piston engines, for civil use | 01.01.2025 | 09.09.9999 | 
        
          
            | 28993965 | Aircraft launching gear and parts thereof, deck-arrestor or similar gear and parts thereof, for civil use | 01.01.2020 | 09.09.9999 | 
        
          
            | 29322050 | Airbags with inflator system and parts thereof | 01.01.2020 | 09.09.9999 | 
        
          
            | 27201171 | Air-zinc primary cells and primary batteries | 01.01.2025 | 09.09.9999 | 
        
          
            | 28132811 | Air pumps and ventilating or recycling hoods incorporating a fan, whether or not fitted with filters, with a maximum horizontal side > 120 cm (excl. vacuum pumps, hand- or foot- operated air pumps and compressors) | 01.01.2022 | 09.09.9999 |