the State is eligible to cast a vote in an election for Federal office, the State may not impose any additional conditions or requirements on the eligibility of the individual to cast the vote in such election by an absentee ballot transmitted under this section. (c) Due process requirements for signature verification (1) Notice and opportunity to cure discrepancy If an individual submits an absentee ballot in an election for Federal office during the period described in section 321(b) and the appropriate State or local election official determines that a discrepancy exists between the signature on such ballot and the signature of such individual on the official list of registered voters in the State (or, in the case of any State that does not register voters, on the official record or other document used by the State to verify the eligibility of the individual to vote in the election), such election official, prior to making a final determination as to the validity of such ballot, shall make a good faith effort to immediately notify such individual by mail, telephone, and (if available) electronic mail that— (A) a discrepancy exists between the signature on such ballot and the signature of such individual on the official list of registered voters in the State (or, in the case of any State that does not register voters, on the official record or other document used by the State to verify the eligibility of the individual to vote in the election)