Providing emergency contact details to the company you work for - IR35 flag?

[Wanderer]

I am actually a spotty faced 45 year old that lives at home and is bullied by everyone.

What??!! Are you saying you look nothing like your avatar? You've seriously ruined it for me now.

HMRC decided that access to onsite nurse and first aid was a inside IR35 pointer....
...argument blown out of the water when client confirmed anyone taken ill on site would received first aid from the nurse, including visiting HMRC inspectors.

good shot!

Having opponents come out with dumb arguments like this is great. Just let them go on about it for a while then hit them right between the eyes with a reference to the law and a withering look. As they are reeling from that, ask them if they are going to waste any more time asking stupid questions or if we can now consider the case closed.