New tax rate in Florence ?

I just received this email from Booking.com my trip is schedule for the second week of February.

“Recently, local authorities have let us know that a new tax rate will apply to all overnight stays in your travel destination from today onwards. As a result, Palazzo dei Conti Residenza d'Epoca may collect this tax of City tax of € 7 per person, per night isn't included Night 1 - Night 7 100% of the charge value Night 8 and above 0% of the charge value We apologise for any inconvenience”

Anyone else? Received something similar?