The first night as separate from the rest of the holiday: Succah 27a, 47a
In modern times [without a Pesach offering], as a Biblical or Rabbinic Mitzvah: Pesachim 115a, 116b, 120a; Kiddushin 37b
A Biblical rule which is the basis for the Rabbinic requirement of Bitter Herbs: Pesachim 39b
Eating it with the Pesach Offering: Pesachim 95a
Eating it with the Second Pesach: Pesachim 95a Remembering the Departure from Egypt over the Matzah: R. Pesachim 36a "She'Onin"
Who must have Matzah in front of them: Pesachim 115b
Women and the Mitzvah: Shabbat 131b; Eruvin 27a; Pesachim 43a-b; Succah 28b; Kiddushin 34a, 34b, 35a
Mitzvah for a Servant, while serving: Pesachim 108a
End of the Time for eating Matzah on the First Night: Pesachim 120b, Rosh Berachot 1:9
Matzah precedes Bitter Herbs at the Pesach Meal: Pesachim 114a
Matzah is termed "the bread on which many things are answered": Pesachim 115b
Matzah as the "bread of poverty" because it is prepared by two people, one baking and one heating the oven (to prevent it from becoming leaven), in the fashion of paupers: Pesachim 115b-116a
The Blessing of "Al Achilat Matzah" is recited on the broken (middle) Matzah: Pesachim 115b-116a
Methods of Consumption
If one swallowed Matzah without chewing: Pesachim 115b
Liquefied Matzah, swallowed without Chewing: Pesachim 35a
If one was fed Matzah while out of his right mind: Rosh HaShanah 28a
If one was force-fed Matzah: Rosh HaShanah 28a
If one swallowed Matzah and Bitter Herbs together: Pesachim 115b
Matzah swallowed inside a piece of bark: Pesachim 115b Over-Eating in consuming Matzah: Pesachim 107b, 108a, 120a
The Mitzvah applies even to those who cannot bring a Pesach Offering: Pesachim 28b, 120a
Eating other wheat products, such as doughnuts and crackers, during the meal, so long as one finishes with Matzah: Pesachim 119b-120a
Eating after the Matzah eaten at the end of the Pesach Meal: Pesachim 119b-120a Saying Hallel-Prayer of Praise over the Matzah: R. Pesachim 36a "She'Onin" Retelling of the Exodus over the Matzah: R. Pesachim 36a "She'Onin"
Not using dough kneaded with Wine, honey, or olive oil: Pesachim 36a
Not using dough kneaded with Milk: Pesachim 36a
Matzah made of rice/millet: Pesachim 35a, 114b; Menachot 70b
Matzah on all of Pesach
Eating Matzah for 7 days: Pesachim 28b
Not a requirement for Pesach after the first day: Pesachim 120a