Use of the abbreviated form: Shabbat 150b
Doing one's needs before the abbreviated form of Havdalah: Shabbat 150b
Havdalah In Prayer
Doing work before Havdalah in Prayer: Shabbat 150b
Fitting Havdalah into Prayer: Yoma 87b-88a; Niddah 8a-b
In which blessing of the Amidah one mentions Havdalah: Taanit 2a
Consumption before Havdalah
Starting a Meal/General Eating after dark, before Havdalah: Pesachim 105a, 107a
Halting a meal/Covering it with a tablecloth, if it began on Shabbat and extended past Havdalah: Pesachim 100b, 103a, 105a
Halting a meal of wine or liquor for Havdalah: Pesachim 105a
Drinking water before Havdalah: Pesachim 105a
Getting Askerah Disease from drinking water before Havdalah: Pesachim 105a
One who ate before Havdalah still makes Havdalah: Pesachim 105b, 106b-107a
Procedure for Havdalah outside of Prayer
Doing one's needs before Havdalah outside Prayer: Shabbat 150b
Making Havdalah on Saturday Night, if it is Yom Kippur: Shabbat 114b; Succah 54b
Making Havdalah on Saturday Night, if it is a holiday: Shabbat 114b
Considering Havdalah to be a Blessing of Thanks: Pesachim 105a
Making all of the Blessings of Havdalah together: Pesachim 54a, 102b
Making the Blessings of Havdalah as soon as possible, as opposed to waiting for wine and making them all together with wine: Pesachim 54a
Making up Havdalah during the week [through Tuesday]: Pesachim 105a, 106a, 107a
Order of Havdalah
On Saturday Night which is the first night of a holiday: Pesachim 102b-103a
On Saturday Night which is the eve of the last day of a holiday: Pesachim 102b-103a
Order of Havdalah, if one is interrupting a meal which over-ran Shabbat: Pesachim 103a
Order of Fire and Spices within the Rite: Pesachim 103a, 106a
Structure/Language of Havdalah
Number of "Havdalot [Mentions of "Separation"]" in the Blessing: Pesachim 103b-104a
Selection of "Havdalot [Mentions of "Separation"]" to mention in the Blessing: Pesachim 103b-104a
Selecting "Havdalot [Mentions of "Separation"]" which appear in the Torah: Pesachim 104a
Starting/Ending with a "Baruch" section: Pesachim 104b
Ending with a special mention of a "Separation", aside from the rest: Pesachim 104a
Havdalah on Saturday Night which leads into a holiday: Pesachim 104a Special Merit for longer life in Ending the blessing with "Mikadesh Yisra'el VeHaMavdil Bain Kodesh LeChol" [Who Sanctifies the Jews and Separates between Sacred and Ordinary]: Pesachim 104a-b
Ending with a dual expression of Separation in the closure: Pesachim 104a-b; Tos. Pesachim 104b #1
Fire in Havdalah
Using a Multi-Wick Torch, as the ideal form of the Mitzvah: Pesachim 8a, 103b
Making a Blessing on it: Pesachim 53b-54a
Using Fire because it was created on the first Saturday night: Pesachim 53b
Using fire from wood/stones: Pesachim 54a
Making up the Blessing on fire after Saturday night: Pesachim 106a
Wine in Havdalah
One must make Havdalah on a cup of wine, even if he has already said it in Prayer: Pesachim 105b, 107a
Using Liquor: Pesachim 107a
Using the "Wine of the Land": Pesachim 107a
Havdalah and Kiddush are of the same type of Blessing, as opposed to Kiddush-Rite and the Blessing After Meals: Pesachim 102b
Delaying Havdalah to use the same cup for Havdalah and for a subsequent meal's Post-Meal Blessing [Birkat haMazon]: Pesachim 102b, 105b
Using the same Cup as for Kiddush, for a holiday which falls out on Saturday Night: Pesachim 102b
Using wine from Kiddush: Pesachim 113a
The one making the blessing must drink: Pesachim 105b
