Why have you posted this here?
It is still available at FIDE website with all documents. https://handbook.fide.com/chapter/FIDECodeOfEthics
The EoC is not new or updated recently.
This raises a question if the FIDE acted ethically in A.Kovalyov case. As I recall the hearing did not proceed as Anton had not signed a representation letter because nobody asked him to do that.