[1] It is often used for the kind of voter fraud where an individual votes in an election, whilst pretending to be a different elector.
Personation appears as a crime in the Canadian Criminal Code with the meaning simply of impersonation.
[2] In the U.S., the New York State Penal Law defines the crime of false personation as simply the act of pretending to be another, a Class B misdemeanor; those who assume the identity of another in order to further another crime can be charged with second-degree criminal impersonation, a Class A misdemeanor.
Posing as a police officer for any reason, or as a physician in order to forge a prescription or otherwise obtain substances so controlled, is first-degree criminal impersonation, a Class E felony.
Whilst voting with an invalid proxy form could be considered personation, it is usual for an intent to deceive to be required for such an act to be considered criminal.