The document discusses Catholic moral principles for assessing cooperation with wrongdoing by others. It distinguishes between formal cooperation, which is always morally wrong, and material cooperation, which requires careful consideration of factors like danger of scandal. It provides guidance for Catholic healthcare institutions collaborating with entities engaged in immoral activities, requiring they not be directly involved in such activities or give the impression they endorse them. Bishops are tasked with oversight of collaborative arrangements to ensure they are consistent with Catholic teaching.