18 And he brings an integrious ram of the flock with your appraisal, for his guilt, to the priest: and the priest kapars/atones for him concerning his inadvertent error wherein he erred inadvertently and knows it not and he becomes forgiven.
Leviticus 5:18 Cross References - ECB
Leviticus 1:4
4 and he props his hand on the head of the holocaust; and he is pleased to kapar/atone for him.
Leviticus 4:20
20 and he works the bullock: as he worked the bullock for the sin, thus he works this: and the priest kapars/atones for them and they are forgiven:
Leviticus 5:15-16
15 When a soul treasons a treason and sins an inadvertent error in the holies of Yah Veh; he brings for his guilt to Yah Veh an integrious ram of the flocks with your appraisal by shekels of silver after the shekel of the holies for the guilt.
16 And he shalams for his sin against the holies; and adds a fifth and gives it to the priest: and the priest kapars/atones for him with the ram for the guilt; and he becomes forgiven.