I believe you are mistaken, as HB2319 [0] itself directly states:
> The occupants of a vehicle that is the subject of a police stop may record the encounter if the occupants are not interfering with lawful police actions.
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On a side note, I encourage everyone to carefully read the actual bill.
There's a lot of intelligent people here on HN but it seems that many of those commenting can't quite comprehend plain English (not as well as I would have expected, at least).
> The occupants of a vehicle that is the subject of a police stop may record the encounter if the occupants are not interfering with lawful police actions.
--
On a side note, I encourage everyone to carefully read the actual bill.
There's a lot of intelligent people here on HN but it seems that many of those commenting can't quite comprehend plain English (not as well as I would have expected, at least).
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[0]: https://www.azleg.gov/legtext/55leg/2R/laws/0376.htm