Each voter in Nevada who votes by mail-in ballot shall enter one of the following in the block provided next to the voter’s signature for election officials to use in verifying the voter’s identity: 1. The last four digits of their Nevada driver’s license number. 2. If the voter does not possess a Nevada driver’s license, the last four digits of their Social Security number. 3. If the voter has neither a Nevada driver’s license or a Social Security number, the number provided by the county clerk when the voter registered to vote. (Addition proposed by initiative petition and approved and ratified by the voters at the 2024 General Election; effective November 24, 2026, if approved and ratified by the voters at the 2026 General Election.)