TSK · Leviticus 11:39

and the one who carries their carcass must wash his clothes and be unclean until the evening; they are unclean to you.

One who eats from its carcass must wash his clothes and be unclean until the evening, and whoever carries its carcass must wash his clothes and be unclean until the evening.

Anyone who touches his bed must wash his clothes, bathe in water, and be unclean until evening.

and the priest is to make one of them a sin offering and the other a burnt offering. So the priest is to make atonement for him before the LORD for his discharge.

Regulations for Eating Carcasses“‘Any person who eats an animal that has died of natural causes or an animal torn by beasts, whether a native citizen or a resident foreigner, must wash his clothes, bathe in water, and be unclean until evening; then he becomes clean.

Then the priest must wash his clothes and bathe himself in water, and afterward he may come into the camp, but the priest will be ceremonially unclean until evening.

And whoever touches the body of someone killed with a sword in the open fields, or the body of someone who died of natural causes, or a human bone, or a grave, will be unclean seven days.