But with the letter clearly stamped as being received on 21 December 2015, their request has not been met by M.I.A or her management.
The letter ends with the suggestion that PSG could pursue legal action against M.I.A in the event that their request isn't met:
"We reserve the right to seek all remedies available to law to compensate the prejudice already suffered and that to come, and we reserve the right to start any procedure, including judicial ones, if needs be, to protect our interests."