document — Palmieri, On Christian Marriage
From Certain Canons, which Follow Without Title After the Canons of the Council of Rouen, A.D. 1074
¶1613.
Canon VII. Those coupled in marriage and requesting divorce on account of impossibility of coeundum must prove by judgment that they cannot accomplish that work of marriage, nor that by making themselves they have in any way arrived at this impossibility (that is, procured it).