Rule 385...

Rule 385: If there is a doubt that an animal is weak but is slaughtered in the name of Allah and it transpires that it is fat and sound, it will be sufficient for the sacrifice. The same rule applies if the pilgrim entertains a doubt after the sacrifice as to whether it was carried out in Mina or elsewhere. However, if the doubt that arises is whether he sacrificed an animal at all, then if it arose after shaving the head or taqseer, the doubt should be ignored.

Otherwise, he needs to return to Mina and effect a sacrifice there. Rule 386: If a sound animal is purchased for Hajj-ul-Tamatoo but after the purchase it becomes sick or deformed or loses a limb or a defect appears, it is…