You wish to subscribe to the Research library for the first time and order a 1 day, 5 day or Unlimited Entries annual Pass. Please click on the following link : http://inscriptionbilletterie.bnf.fr
This new website will shortly be offering a subscriptions renewal service which will be available if your situation corresponds to the stipulated requirements.
At that time, the old link http://accreditation.bnf.fr
which was previously offered will no longer be available.
Don't forget to add http://inscriptionbilletterie.bnf.fr
to your favourite bookmarks as from today !