On eating forbidden food, one becomes pure by means of the Prajapatya vow. If one (unknowingly) drinks urine, semen virile or faeces, one shall perform this rite in expiation. 29a. If (the duration of expiation or fast) is not enjoined the expiatory rite must really be performed everywhere for one day. 29b-30a. On taking in the faeces and urine of the filthy pig, donkey, camel, jackal, monkey and crow, a Brahmana should perform the Candrayana expiatory rite. 30b-31a. The three twice-born castes (i.e. the Brahmana, the Ksatriya and the Vaisya) deserve to be consecrated once 532 K urma Pur ana again, if they unwittingly take in the urine and faeces in contact with urine. 3lb-32. If out of delusion, an excellent Brahmana takes in the faeces and urine of the carnivorous birds, he should per¬ form the expiatory rite of Mahasantapana. If he takes in the urine and faeces of the vulture, frog, sparrow and the domestic fowl, he should perform the Krcchra rite. 33-34a. A person (Brahmana ?) is purified by observing the Prajapatya vow, if he happens to eat the leavings of food {ucchifta ) of a Brahmana. (In case he eats) the ucchifta of a Ksattriya, Tapta-krcchra expiation should be performed, and Ati-krccha expiation, after eating a Vaisya’s ucchista. Having eaten the leavings of food of a Sudra, a Brahmana should observe the Candrayana vow. 34b. After drinking water from the pot of wine, one should perform the vow of Candrayana.