Bigamists - canon law 1917

TITULUS XIV : De delictis contra vitam, libertatem, proprietatem, bonam famam ac bonos mores. 2356 Can. 2356. Bigami, idest qui, obstante coniugali vinculo, aliud matrimonium, etsi tantum civile, …
In reference to [Cardinals Release Declaration of Faith - Answer Dubia]:
6. Persons who are divorced and civilly remarried, and who are unwilling to live in continence, are living in a situation that is objectively contrary to the law of God, and therefore cannot receive Eucharistic Communion.