The federal election inconveniently coinciding with a long-awaited weekend away, Prudence had to cast an absentee vote.
At the local rec centre, lots of other people had been caught by the same coincidence, and the absentee voter queue was long and moved agonisingly slowly.
At last it was Prudence's turn, and, hoping to speed the process, she announced her electorate and surname.
"Hmph," said the temporary electoral official (sporting a faded blue rinse), "write down your address and we'll see".
Naturally, Prudence was right, but there was no apology forthcoming.
And we know how Prudence feels about this sort of petty officiousness.