This is entirely for show. The approved law contains a provision according to which the Government can transfer any type of prohibited weapons material when the prohibition would undermine general national interests, that is, whenever they want.
If you speak spanish, you can read it in the section called "Disposición Primera" (first provision) https://www.boe.es/diario_boe/txt.php?lang=en&id=BOE-A-2025-18831
