Warning for the party before ex-communication: Moed Katan 16a
By a summoned party who refuses to show in court, the ex-communication includes mention of the name of the Sage involved, and uses the language of "Cherem": Moed Katan 16a [See Rashi "UMacharimin"]
Blowing of a Ram's Horn: Moed Katan 17b
A bill, known as a "Peticha": Rosh HaShanah 31b
Beginning or Continuing a period of ex-communication through the Intermediate Days of Holidays: Moed Katan 14b
Whether "Niduy" is equivalent to "Shamta" or not: Nedarim 7b
Duration of the "Niduy" brand of ex-communication: Moed Katan 16a
Duration of the "Shamta" brand of ex-communication: Moed Katan 16a
Duration of the "Nezifah" brand of ex-communication: Moed Katan 16a
Duration of modern "Nezifah": Moed Katan 16b
Duration of "Nezifah" by the Jewish Leader: Moed Katan 16b
Differentiating durations for different types of ex-communication in Israel and Bavel: Moed Katan 16a-b
Considering part of the last day of ex-communication to be like the entire day, to end the period early in the day: Moed Katan 16b
Self Ex-Communication: Moed Katan 17a; Nedarim 7b
Ex-Communication without the presence of the subject: Moed Katan 17a-b
Ex-communicating someone before one's teacher: Eruvin 63a
Rescension of Ex-Communication
Ex-communication requires rescension even if it is conditional, and the condition does not come true: Makkot 11b
Rescension can follow the ex-communication immediately: Nedarim 7b
Rescension of the "Shamta" brand of ex-communication before its automatic 30-day period: Moed Katan 16a
Rescension by a party who was not involved in the original ex-communication: Moed Katan 16a
Whether each individual involved in the ex-communication rescinds his own portion, and what happens if one of them dies before the time for rescension: Moed Katan 16a
What to do if one doesn't know who ex-communicated him: Moed Katan 17a
For a Torah Scholar to revoke his own ex-communication of himself: Moed Katan 17a; Nedarim 7b
Whether rescension of an ex-communication which was performed before a certain Sage, requires his presence for the rescension as well: Nedarim 7b [2x]
Requiring 10 people [and what type of people] for rescension of certain types of ex-communication: Nedarim 8a
Seriousness and Power of the Ex-Communication
The word "Shamta" implies Death or Desolation: Moed Katan 17a
The Numerical Value of the word "Cherem" implies that ex-communication affects all 248 limbs of an individual: Moed Katan 17a
Considering Ex-Communication to be more severe than Whipping for Violation of Rabbinic Rulings: Pesachim 52a
Considering ex-communication to be more severe than a straightforward prohibition: Niddah 13b
Whether a Sage must abide by an ex-communication declared by his Student, and the Student by that of the Sage: Moed Katan 16a, 17a
Whether an ex-communication extends to other towns as well: Moed Katan 16a
Whether an ex-communication by the Leader of the Jews holds for all Jews, and the reverse: Moed Katan 16a
Power of a student who ex-communicates specifically for his own honor: Moed Katan 16a, 17a
Uses of Ex-Communication
For a person who refuses to answer two Court summonses: Moed Katan 16a
If one hears another person use Gd's Name in vain: Nedarim 7b
For a court which acts improperly: Nedarim 20a
Use of the levels of "Cherem" and "Niduy" for one who refuses to answer Court Summonses: Rosh HaShanah 31b, Moed Katan 16a
Multiple ex-communications for one who insults Torah Scholars: Moed Katan 16a
For arousing the evil inclination: Niddah 13b
For one who causes himself to have sexual thoughts: Niddah 13b
To force a Damager to travel to Israel with the Victim, to pay the Fine: Bava Kama 15b
For someone who breaks a Rabbinic Law: Shabbat 130a; Kiddushin 39a
For speaking ill of a deceased Torah scholar: Berachot 19a
For someone who takes ritual hand-washing lightly: Berachot 19a
For someone who calls someone else an Eved: Kiddushin 28a
For addressing Gd arrogantly in prayer: Berachot 19a
For someone who maintains a dangerous item in his house: Bava Kama 15b
For someone who works on The Day Before Pesach after mid-day: Pesachim 50b
For someone who travels on the Second Day of Holidays in Exile: Pesachim 52a
For someone who misquotes a Torah lesson: Bava Metzia 47a
For improperly giving people roasted meat on Pesach night: Pesachim 53a-b
For working while there is a Corpse awaiting Burial in town: Moed Katan 27b
For a person who is about to perform a rabbinically prohibited act on Shabbat: Eruvin 63a
For people who stop attending a class: Kiddushin 25a
Ex-Communication of a Torah Scholar about whom bad rumors abound: Moed Katan 17a
General ex-communication of Torah Scholars: Moed Katan 17a
One should be wary of placing Torah Scholars in Ex-Communication: Pesachim 52a
Ex-communication of Barak on "Mayroz," who was either one of Sisra's leaders or Sisra's Mazal: Moed Katan 16a Insitution of the Court in Usha preventing ex-communication of a Chief Justice who sins only once: Moed Katan 17a
For failure to honor the Torah and its scholars: Berachot 19a
For disagreeing with the majority in a matter of law: Berachot 19a [see Rashi "medameh"]
Treatment of the Ex-Communicated Person
A large stone is placed on his coffin if he dies under ex-communication: Berachot 19a; Moed Katan 15a
Effect of ex-communication on those who eat/drink/associate with the ex-communicated person: Moed Katan 16a
Publication of the ex-communicated person's sin in his town: Moed Katan 16a
Behavior of the Ex-Communicated Person
Flogging for remaining in ex-communication for 30 days without attempting to get it repealed: Kiddushin 12b
Shaving: Moed Katan 15a [2x]
Laundering: Moed Katan 15a [2x]
Wearing a covering over his head: Moed Katan 15a
Wearing Phylacteries: Moed Katan 15a
Greeting others: Moed Katan 15a Learning Torah: Moed Katan 15a, 15b
Hiring a worker, or being hired: Moed Katan 15a, 15b
Differentiating, for business and for learning Torah, between one in the "Cherem" category and one in the "Niduy" category: Moed Katan 15a
Tearing his clothing: Moed Katan 15a; Bava Metzia 59b
Overturning his bed: Moed Katan 15b
Sitting on the floor: Bava Metzia 59b
Going to work: Moed Katan 15b
Bathing: Moed Katan 15b
Wearing [leather] shoes, on the road or in town: Moed Katan 15b; Bava Metzia 59b Sexual relations: Moed Katan 15b; Nedarim 20b
Sending Temple Offerings via proxy: Moed Katan 15b
Interesting Expressions for forms of Ex-Communcation
"Berachah": Bava Metzia 59b
"Stand in your place": Yevamot 105b
"I don't recognize you": Moed Katan 16a
"Is someone calling you outside?": Moed Katan 16b
"Go (tell them to) stay indoors": Kiddushin 25a
"Cast sparks of fire [pulsa d'nura] into your face": Bava Metzia 47a
