Any of the following forms of documentation may be offered by an applicant and considered by a registrar in verifying the identity of an applicant who is registering to vote under this chapter and whose name does not already appear in the central voter registration system as a registered voter. The registrar need not request or consider all of these forms of documentation in order to verify an applicant's identity.
1. Government-issued photograph identification document or credential. A government-issued photograph identification document or credential, including, but not limited to, a current and valid United States passport, military identification, driver's license, state identification or identification card issued by a federally recognized Indian tribe;
2. Other government-issued identification document. A government-issued identification document without a photograph, including, but not limited to, a certified birth certificate or a signed social security card;
3. Other official documents. An official document, including, but not limited to, a document confirming eligibility determinations for public benefits, a utility bill, a bank statement, a government check, a paycheck or other government document that shows the name and address of the voter;
3-A. Student photograph identification document. A student photograph identification document that is issued by a state-approved public or private school located in this State or that is issued by a duly authorized institution of higher learning that operates in this State; or
4. Verified unique identifier for new voters. A verified unique identifier for new voters, including the voter's Maine driver's license number, Maine identification number or the last 4 digits of the voter's social security number that are successfully verified through the central voter registration system verification.