Leviticus 21:1, 11
Leviticus 21:1 NCV
The LORD said to Moses, “Tell these things to Aaron’s sons, the priests: ‘A priest must not make himself unclean by touching a dead person.
Leviticus 21:11 NCV
He must not go into a house where there is a dead body. He must not make himself unclean, even if it is for his own father or mother.