Enforcement of indoor vaccine mandates proves uneven in US

  • FILE - In this Oct. 20, 2021, file photo, signs advising vaccination and face mask requirements and no indoor dining are displayed on the door of an In-N-Out restaurant in San Francisco's Fisherman's Wharf. The restaurant's indoor dining was shut down this month by health authorities for not demanding proof of vaccination. (AP Photo/Jeff Chiu, File)

  • FILE — In this Aug. 17, 2021 file photo, a Katz's Deli employee, left, checks the proof of vaccination from a customer who will be eating inside the restaurant, in New York. Ticket agents dutifully ascertain the vaccination status of everyone passing through the turnstile at pro sports venues in some cities from Seattle and New York, and restaurant hosts do the same in many places. (AP Photo/Mary Altaffer, File)

  • Highway Inn restaurant hostess Ku'uipo Lorenzo, right, records contact information for Martin Day, left, and his wife, Ashley Day, center, after they showed proof of vaccination and a negative COVID-19 test result on Monday, Oct. 25, 2021, in Honolulu. To comply with local mandates, the restaurant requires all indoor diners to show proof of vaccination or have a recent negative test result before being seated. (AP Photo/Caleb Jones)

  • Customers walk past a sign reminding people to have their vaccination cards ready at Highway Inn restaurant in Honolulu on Monday, Oct. 25, 2021. To comply with local mandates, the restaurant requires all indoor diners to show proof of vaccination or have a recent negative test result before being seated. (AP Photo/Caleb Jones)

  • Highway Inn restaurant hostess Ku'uipo Lorenzo, left, checks a COVID-19 test result from Martin Day, center, as his wife, Ashley Day, right, prepares to show her vaccination card on Monday, Oct. 25, 2021, in Honolulu. To comply with local mandates, the restaurant requires all indoor diners to show proof of vaccination or have a recent negative test result before being seated. (AP Photo/Caleb Jones)

  • Highway Inn restaurant hostess Ku'uipo Lorenzo, left, seats two customers after they showed proof of vaccination on Monday, Oct. 25, 2021, in Honolulu. To comply with local mandates, the restaurant requires all indoor diners to show proof of vaccination or have a recent negative test result before being seated. (AP Photo/Caleb Jones)

HONOLULU — Go out for a night on the town in some U.S. cities and you might find yourself waiting while someone at the door of the restaurant or theater closely inspects your vaccination card and checks it against your photo ID. Or, conversely, you might be waved right through just by flashing your card.