Starting from January, fines of up to 400 euros will be put in place Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Milanese authorities have issued a directive for owners of short-term rental properties, demanding the removal of self-check-in keyboxes from public areas