The latest coronavirus restrictions in Northern Ireland preserve the celebration of public mass and religious services.
For regularly scheduled worship, the only limit on numbers is that there be room for social distancing.
But weddings and funerals will be limited to 25 people.
The Catholic diocese of Clogher covers both sides of the border, with some parishes straddling the border itself.
Bishop Larry Duffy said the conflicting regulations means public mass can continue in the North, but is banned in the south: