Y788 Exemption from prohibition for recovered, recycled or reclaimed halons to be used for critical uses, (see articles 9 and 13.1(g) (import) and 14.1(e) (export) of regulation (EU) 2024/590), with presentation of the required certificate (article 17.7 of regulation (EU) 2024/590)

You enter this code in the customs declaration with the documents you present (box 44 of the old single administrative document). The measures below require it.