Irish tax resident - French Form F5000

Hi guys,

Does anyone have any experience of the above? I’ve just bought French shares & understand there’s a provisional 25% witholding tax which may be reduced if an F5000 is filled out, certified by home tax authorities & sent to the french tax authorities.

The big questions are, may I do this electronically & does anyone know the address? It doesn’t appear to be on the shagging form