Leviticus 21:3-5 Amplified Bible, Classic Edition (AMPC)
3 And for his sister, a virgin, who is near to him because she has had no husband; for her he may be defiled.
4 He shall not even defile himself, being a [bereaved] husband [his wife not being his blood kin] or being a chief man among his people, and so profane himself.
5 The priests [like the other Israelite men] shall not shave the crown of their heads or clip off the corners of their beard or make any cuttings in their flesh.
Leviticus 21:3-5 New International Version (NIV)
3 or an unmarried sister who is dependent on him since she has no husband—for her he may make himself unclean. 4 He must not make himself unclean for people related to him by marriage,[a] and so defile himself.
5 “‘Priests must not shave their heads or shave off the edges of their beards or cut their bodies.