However, a state, in order to protect the citizens from incompetent operation or for safety, may verify qualifications of potential public operation.

“The word ‘Liberty’, as used in the Due Process Clause [Amendment V], includes among other things the liberty of the citizen to pursue any livelihood or lawful vocation.” Legal encyclopedia, American Jurisprudence 2d, 16A Constitutional Law §616, 2009. Such Right, such as the Right to a Trial by Jury, cannot be subject to a fee or condition. If otherwise, they could be conditioned out of existence.

The answer is reasonably simple. It's found in the 4th Amendment, part of which says: "The right of the people to be secure in their persons... against unreasonable searches and seizures, shall not be violated... ." The legal definition of 'persons' includes neither man nor woman. | Is your signature on the government document that has a name and address similar to yours? If it isn't, 'they' have usurped your private property - against the 4th Amendment - and are trying to sell you on the idea of agreeing that you are their person. | Use man to man accusation, 'fair warning' them to 'cease and desist', bringing to court this fact of their usage of your 'persons' without your consent, if they don't cease and desist... as a man, accusing the man of using their gov office to to steal your 'person' info.