Originally Posted by flying_ww

I don't think there is anything wrong with it.

I recently had to renew my passport. On my new one, the number on the bar code on the inside of the back cover matches the passport number. On my old one, the two numbers do not match. And it worked fine every time for the nearly ten years I traveled with it.

The new one is one of the new electronic ones, the old one was not.

--ww