[samatman]

In some contexts it is a legal requirement to treat the date February 29th in a non-leap-year as March 1st.

Not precisely related, just a go-to "they've thought of that" anecdote for when people are underestimating how thorough the law can be.

[NeoTar]

Often people want to treat the law as if it were computer code, but fortunately sometimes it's more like the grade-school teacher making sure that the kids play nicely together.