I keep forgetting the majority of you are in the land of litigation lunacy where virtually nobody can be relied upon to not launch some whacko lawsuit against you for any daft old reason. The term "cellphone" is a giveaway.

Just checked with her - there's nothing even remotely like that required. Guess people are simply trusted to act as responsible adults. Which is how it should be. And which is how I would expect people to behave in regards to sick leave.