Are you talking about Overseas France? https://en.m.wikipedia.org/wiki/Overseas_France
Overseas regions have exactly the same status as France’s mainland regions.
Seems similar to Puerto Rico, Samoa and the others https://en.m.wikipedia.org/wiki/Territories_of_the_United_States
My apologies, I didn’t know about this. https://hir.harvard.edu/true-sovereignty-the-cfa-franc-and-french-influence-in-west-and-central-africa/