72) Adultery by the rule of "economy"
72) They commit Adultery by the rule of "economy" (oikonomia): It is in fact also polygamy or bigamy to remarry.
b) By the doctrine of "economy". They allow remarriage for many other reasons centering around the concept of "no love or commitment in the marriage"
for these remarriages there is even a second separate special kind of service, quote:
"The Order of the Second or Third Marriage (service) is somewhat different than that celebrated as a first marriage and it bears a penitential character." oca.com