> Because of European Union food hygiene-health regulations, the cheese has been outlawed, and offenders face heavy fines.[12] However, some Sardinians organize

> Because of European Union food hygiene-health regulations, the cheese has been outlawed, and offenders face heavy fines.[12] However, some Sardinians organized themselves in order to make casu martzu available on the black market, where it may be sold for double the price of an ordinary block of pecorino cheese.[10][8] As of 2019, the illegal production of this cheese was estimated as 100 tonnes (98 long tons; 110 short tons) per year, worth 2-3 m€.[15]