There are a number of petitions in the US Government’s Open Petitions page that run like this:
When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, …
If you’re asking permission from the federal government for the right to secede … you’ve completely missed the point. It’s like asking the government’s permission to have a revolution.
It’s charming, like hearing a twelve-year-old asking their parents for money so they can run away from home. But all the old confederates are now spinning in their grave like a lathe.