The registries operated in accordance with Article 63a shall not carry out any transfer of allowances of an initial unit type of 0 and a supplementary unit type of 4 to registries not operated in accordance with Article 63a.
Artikli 63a kohaselt hallatavad registrid ei tee algühikuliigiga 0 ja lisaühikuliigiga 4 saastekvootide ülekandeid registritesse, mida ei hallata artikli 63a kohaselt.