26 December (Saint Stephen's Day) and the festival of the local patron
saint.
If they do not work on these days, workers receive their normal daily pay. If
a public holiday falls on a Sunday (and for some employment contracts also on a
Saturday), the day is paid in addition to normal pay. If a worker works on a
public holiday, he receives extra remuneration in line with the rules on work on
public holidays.
Useful references:
Article 36, Subsection 3 of the Italian Constitution
Article 2109 of the Civil Code
Legislative Decree No 66/2003