And LORD said to Moses, If her father had but spit in her face, should she not be ashamed seven days? Let her be shut up outside the camp seven days, and after that she shall be brought in again.

This is the statute of the law which LORD has commanded, saying, Speak to the sons of Israel, that they bring thee a red heifer without spot, in which is no blemish, [and] upon which a yoke never came.