The above-mentioned law allows the sportsmen, new Italian Tax residents, that were resident abroad for the previous two years, to be taxed only on the 50% of their employee income for five years (instead the social security contribution must be calculated on the 100% of the income).
Bear in mind that, in Italy, considering the Law n.91/1981, are professional sportsmen the athletes, coaches, technical-sports directors and fitness coach that are registered to one of the below listed federations:
In order to apply to this special tax regime, the professional sportsmen, as specified by the article 16, clause 5-quinquies of the Legislative Decree n. 147/2015, have to pay yearly a contribution equal to 0,5% of the tax base following the procedure stated by the Italian Revenue Agency with Resolution no.17/E, March 10 2021.