Excerpt from Handbook 1: Stake Presidents and Bishops, 6.2.1: 1
Serious Transgression That Is Widely Known
A disciplinary council must be held for a member who commits a serious transgression (as defined in 6.7.2) that is widely known.
Safeguard the Integrity of the Church
The third purpose of Church discipline is to safeguard the purity, integrity, and good name of the Church. Consequently, transgressions that significantly impair the good name or moral influence of the Church may require the action of a disciplinary council.
|1||LDS Handbook 1: Stake Presidents and Bishops – https://web.archive.org/web/20171115165041/https://www.lds.org/manual/handbook-1-stake-presidents-and-bishops?lang=eng|