Ordinanza Lombardia del 04/04/2020
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&ved=2ahUKEwjJjJuij9HoAhVozqYKHZl8CzYQFjADegQIAxAB&url=https%3A%2F%2Fwww.ansa.it%2Fdocuments%2F1586025090469_Ordinanza_Lombardia_203004044_obbligo_mascherine.pdf&usg=AOvVaw0JWxSqH4KS27zFRNHfXOk7
ORDINANZA N. 522 Del 06/04/2020
http://www.anci.lombardia.it/documenti/9795-ORDINANZA%20522_06_04_2020.pdf