Bishop Donald Hying recommended the May 1 pastoral letter of Archbishop Salvatore Cordileone of San Francisco.
The relic was received at a May 8 Mass.
The general obligation for Mass on Sundays and holy days will resume Pentecost weekend.
Talking to reporters after his private audience with the pope, Maas said that he and Pope Francis discussed the coronavirus pandemic, the future of Europe, violence in Jerusalem, Latin America, and the clerical abuse crisis.
Bishop Tyrawa is the latest in a series of Polish bishops to have faced investigations under Vos estis.
On May 13, 1917, Mary appeared for the first time to a group of three Portuguese children in Fatima, Portugal.