I've got an apostille and bottom line says:
"***...this apostille is not valid for use anywhere within the United States of America...***"

What was the reason for this?

Is it applicable for all countries signed the "Apostille Convention" or just US?

upd: The document is a birth certificate. Apostille was done in Georgia US.

[![enter image description here](https://i.stack.imgur.com/9DUut.jpg)](https://i.stack.imgur.com/9DUut.jpg)