من لا يحضره الفقيه, volume 2, page 500

Hadith.3071 - Abdul Rahman ibn al-Hajjaj narrated from Abu Abdullah (as), who said: "If the hady (sacrificial animal) was announced and then got lost afterward, it suffices."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.

Hadith.3072 - It is narrated from Hafs ibn al-Bakhtari, who said: I said to Abu Abdullah (as), "A man brought a hady (sacrificial animal), and it perished in a place where he could not find anyone to give it in charity, nor would anyone know that it is a hady." Imam (as) replied: "He should slaughter it and place a written note on it so that whoever passes by it knows that it is charity."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.

Hadith.3073 - Al-Qasim ibn Muhammad narrated from Ali ibn Abi Hamzah, who said: I asked Abu Abdullah (as) about a man who brought a sacrificial camel, and it broke down before reaching its designated place or was overtaken by death or destruction. Imam (as) said: "He should slaughter it if he is able and smear its shoe, which was used to mark it, with its blood so that whoever passes by it knows it has been slaughtered. They may eat from its meat if they wish. If the hady (sacrificial offering) is guaranteed, then he must replace it by purchasing another in its place if it breaks down or perishes. A guaranteed offering is one that is obligatory upon him due to a vow or other obligations. But if it is not guaranteed, and it is merely something he undertook voluntarily, then he is not obligated to replace it unless he wishes to do so voluntarily."

Translation: Bab Ul Qaim Publications·Thaqalayn link·The Arabic above is the original.