Beth Kregor, director of the Institute for Justice Clinic on Entrepreneurship at the University of Chicago Law School, characterized the two-hour limit that already applies to those temporary permits as a “killer” for mobile merchants.

Some entrepreneurs have been “kind of limping along with that two-hour limit” while others “don’t even bother to get started,” Kregor said.

“To find a parking space, set up and let shoppers know that you’re there, come on board the truck and look at what you’ve got, maybe try it on — it’s just not possible in two hours,” she said.

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