Leviticus 10:6 NIrV

[6] Moses spoke to Aaron and to Eleazar and Ithamar. They were Aaron’s sons. Moses said, “Don’t let your hair hang loose. Don’t tear your clothes. If you do, you will die. And the LORD will be angry with the whole community. But all the Israelites are allowed to show they are sad. They are your relatives. They may mourn for those the LORD has destroyed with fire.