Would he follow you in praying remotely earnestly and sincerely . . .
A sinner’s prayer;
forgivness of everyone for everything beginning with those most difficult etc.
You could emphasize it’s important at this stage of his life to take care of such crucial details and give the Biblical basis for such.
When he first arrived at Hospice he prayed with my father and appeared to accept the gospel but has since been supplementing it with communions, sacraments, rosaries, scapula necklaces and requests for 30 day masses.
It’s his religion, I don’t like it but respect it. I will ensure he has a full mass as requested.