Chofetz Chaim Daily 10 Tishrei Commandments that one transgresses with LH: Negative commandments – 1)Lo Selech Rachil B’amecha (if the info is false then it is Motsi Shem Ra) 2)Lo Sisa Shema Shav Don’t accept a bad report. Refers to speaker as well, because we also read as Lo Sasi (do not tell)
Chofetz Chaim Daily 11 Tishrei Negative commandments continued. 3)Hishamer Binega Hatzaraas 4)Lifnei Iver Lo Siten Michshol. Speaker causes listener to hear LH and vice versa.