I recommend you review with your (EMT organization's) legal dept. about your legal duty of care, moral duty of care, and the Good Samaritan laws in your jurisdiction -- vis-a-vis general instances of being off-duty and seeing someone in distress. It's like gun law; if you own a gun, you have to know the law. Period. If you have rescue skills and genuine competency to use them, you have to know this law, and it needs to be a memory item.
Here's what you really, really, really cannot afford to have happen: a) someone needs your help b) you refuse to help out of fear of legal risk due to lack of understanding of the law c) they die d) you find out you would've been fully protected e) you're haunted by it for the rest of your life.
No thanks. Nip this in the bud.
And then, nip this in the bud.
We also have a lot of weird corporate rules, and HR is currently reprimanding someone for letting in the EMTs without signing them in as guests and making them sign an NDA, so it'll always take a long time to get outside help.
Super secret, huh? Either you work at Black Mesa, in which case they have their own fire department and EMTs trained in chemical, rad, all the the wacky stuff we got into at the place I worked. And when outside ambulances or fire trucks rolled up to the gate, that gate went up and they didn't even have to slow down. (because the gate was apprised of the nature of the emergency). I've seen it.
Or, you work at a place where HR is holding the idiot ball. And they need to get a very, very, very hard correction, tout suite.
I think the place to do that is the Fire Marshal's office and the city attorney. Grab any documentation you can find to show they're disciplining someone for calling an EMT, and leak it to them anonymously. They'll contact the company and put the kibbosh on the behavior. In the meantime, I'd sharpen my resumé and find other work. That means if you are injured, they'll impede your rescuers. Not OK.
SMH. Asking an EMT to take personal liability, yet expecting no personal liability themselves. It'll turn out the other way 'round.
The only case I've heard of impeding emergency services is a steel mill's "fire-truck-proof gates". The mill needed to stop Barney from the town F.D. from charging in and throwing a hose on a metal ladle, which blew the roof off one time. In their defense the steel mill had the best fire department in the county, and trucks were more likely to blast out the steel mill gates than the other way 'round.