Book,  Part, Title, Chapter, Can.

1   1,   0,    4,   3, 63 | invalid if not even one of the motivating reasons submitted is true. ~§
2   1,   0,    4,   3, 63 |      there is no executor, the motivating reason must be true at the
3   1,   0,    4,   5, 93 |      complete cessation of the motivating reason. ~
4   1,   0,    8,   0, 142|        on the cessation of the motivating reason for the delegation;