Appropriate
“Vouching can only be used to provide proof of a potential voter’s residence in the precinct. The potential voter must still provide their Minnesota driver’s license or ID card number or the last four digits of their Social Security number for identity verification”
"Vouching is most commonly used in senior living facilities by residents who have not updated their driver’s licenses to reflect their current residence. It is also sometimes used in cases where an eligible voter has recently moved to a new address and lacks identification indicating the new address."