[Scupoli]

Furthermore, by these presents and by virtue of Our Apostolic authority, We give and grant in perpetuity that for the singing or reading of Mass in any church whatsoever this Missal may be followed absolutely, without any scruple of conscience or fear of incurring any penalty, judgment or censure, and may be freely and lawfully used. Nor shall bishops, administrators, canons, chaplains and other secular priests, or religious of whatsoever Order or by whatsoever title designated, be obliged to celebrate Mass otherwise than enjoined by Us.

[Scupoli]

Pope Polycarp ping!