What identification do I need to apply? To apply for Alliant membership, you’ll need the following forms of identification: Valid U.S. government issued ID (e.g. Driver’s License, Passport, or State ID) or Foreign Passport Social Security Number (SSN) or Individual Tax Identification Number (ITIN) Documentation verifying your home address, such as a utility bill or lease agreement (Not required for minors 17 and under) If you’re applying for first-time membership and your relative or domestic partner is a member, you will need his/her first and last name and his/her qualifying employer, organization, or community. Providing a current membership and/or account number is optional
