As a non-native speaker, I thought of passe-partout. The problem is that you want a positive word and put "not" in front of it, while you can use a negative term as well. That wouldn't be "pas passe-partout", which would sound funny, especially in French. But more something like inapplicable or non-applicable.

As a non-native speaker, I thought of passe-partout, according to Collins Dictionary:

that which passes or allows passage everywhere

The problem is that you want a positive word and put "not" in front of it, while you can use a negative term as well. That wouldn't be "pas passe-partout", which would sound funny, especially in French. But more something like inapplicable or non-applicable.

Attribution: Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.