Access1 appears to be a semi-branded priority lane for inbound passengers at CDG (images below):
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and
I do not know if this same branding is applied to expedited departure flow lanes at CDG. When landing in IST, for example, as a *G in Y on TK, I was give an invitation at check-in to IST's Access1 equivalent.
I was curious if I had any shot at using this Access1 as a *G in Y, either with or without a specific invitation. Sounds like no. Thanks for the info!