Book,  Part, Title, Chapter, Can.

1   2,   2,    3,   7, 555 |        ensure that they do not lack spiritual and material help.
2   2,   3,    2,   6, 687 |  specifies otherwise, but they lack active and passive voice. ~
3   4,   1,    7,   4, 1095|        marriage: ~1° those who lack sufficient use of reason; ~
4   4,   1,    7,   4, 1095|        who suffer from a grave lack of discretionary judgement
5   6,   1,    3,   0, 1322|      1322 Those who habitually lack the use of reason, even
6   6,   1,    5,   0, 1350|      be taken that he does not lack what is necessary for his
7   7,   1,    4,   1, 1478|         1 Minors and those who lack the use of reason can stand
8   7,   3,    1,   1, 1686|   defect of lawful form or the lack of a valid proxy mandate;
9   7,   3,    1,   1, 1687| mentioned in can. 1686, or the lack of dispensation, are not