The INE (Instituto Nacional Electoral) Card, Mexico\'s national voter ID, is free for eligible Mexican citizens aged 18 and over and serves as a key document for federal elections. To apply, applicants must schedule an appointment with a Mexican consulate, provide identification, proof of residency, and a birth certificate, after which they receive a tracking receipt for their application. Important features include zero fees, eligibility criteria exclusively for those 18 and older, and a processing time of one to three months.