Liability for eating impure kodashim, or making them impure, begins when their matirin are brought; if there are no matirin, then the liability begins once they are sanctified in Beit haMikdash implements: Zevachim 34a
Prohibitions against eating Kodashim while one is impure
The textual source prohibiting eating Kodashim while one is impure: Makkot 14b; Zevachim 33b-34a, 46a-b; Keritot 2b
The set of cases to which the prohibition against consumption while one is impure applies is broader than the set to which pigul applies; this prohibition and notar apply to the same set of cases: Zevachim 45b, 45b-46a
At what point in the process of bringing a korban is one liable if he eats it while impure: Zevachim 45b
Requiring the husband to check himself after sexual relations for blood which may have come from her, if she is [not] going to consume sanctified foods [Terumah, Kodashim]: Niddah 11b
The punishment for eating Kodashim while one is impure: Makkot 13a, 14b
What happens if witnesses say one ate offerings while impure, and he denies it: Keritot 12a-b
License for a person to eat kodashim when he says he is pure, even if others say he is impure - but only to eat them in private, because of Marit Ayin concerns: Keritot 12b
Liability for eating impure kodashim, or making them impure, begins when their matirin are brought; if there are no matirin, then the liability begins once they are sanctified in Beit haMikdash implements: Zevachim 34a
Prohibition against eating Kodashim which are impure
The rules of which korbanot are subject to notar disqualification are deduced from those of pigul, and the rules of which korbanot are subject to disqualification for impurity are deduced from those of notar: Zevachim 44a
If blood or flesh or fat becomes impure, no matter how, and no matter if intentional or not or whether the korban is from an individual or the group, and it is used anyway, ritzui tzitz renders the offering acceptable: Pesachim 16b, 62a
Eating inedible kodashim when they are impure: Zevachim 46b
Eating Kodashim while they are Impure: Pesachim 24a, 24b; Zevachim 34a
Increasing the level of impurity for Kodashim which already are impure: Pesachim 14a-15b
Burning Kodashim which are of the Third Level of Descendant Impurity with Kodashim which are of the first level: Pesachim 14a
Communication from Solid Food to Solid Food: Pesachim 14a
A Vessel combines all foods of Kodashim [but not of Terumah] within it, to become Impure if one of them becomes Impure: Pesachim 19a
The above also applies to Flour of a Flour Offering, Incense, Frankincense, and Coals of Kodashim as well: Pesachim 19a
Whether the above 2 laws are Rabbinic or Biblical: Pesachim 19a
Whether even wood and frankincense of the Beit haMikdash receive impurity like korbanot do, before or after they are handled with beit hamikdash implements [klei shareit]: Pesachim 24b, 35a; Zevachim 34a