http://www.latimes.com/local/lanow/la-me-ln-disabled-placard-fraud-20170414-htmlstory.html
Unfortunately the print article has a little bit more details about this. You'll see that on one of the photos, it says that a family is being cited for parking in a designated disabled spot with an out-of-state placard. What's in the print edition is the explanation that you need to apply for a travel permit. According to the DMV form (Reg 195, couldn't link to a PDF) it's free and good for up to 90 days.
Unfortunately the print article has a little bit more details about this. You'll see that on one of the photos, it says that a family is being cited for parking in a designated disabled spot with an out-of-state placard. What's in the print edition is the explanation that you need to apply for a travel permit. According to the DMV form (Reg 195, couldn't link to a PDF) it's free and good for up to 90 days.