Leviticus 4:17
And the priest shall dip his finger in some of the blood, and sprinkle it seven times before the Lord, even before the vail.
Cross-reference
Leviticus 4:6 mirrors this exact procedure for the priest's sin offering, showing the same dipping and seven-fold sprinkling before the veil.
Leviticus 4:5 records the preceding step of bringing the blood into the Tent of Meeting, paralleling the same sequence for a different sin offering.
Leviticus 4:7 continues the ritual, detailing where the remaining blood is applied to the altar horns and base after the sprinkling.
Leviticus 16:14 echoes the same dipping and sevenfold sprinkling of blood, now on the mercy seat for the Day of Atonement.
Leviticus 9:9 also describes dipping the finger and putting blood on the altar horns, part of Aaron's first sin offering.
Leviticus 8:15 involves applying blood with the finger to the altar, a similar ritual action but for consecration rather than a sin offering.
Leviticus 14:7 shares the sevenfold sprinkling of blood, but for cleansing a leper rather than atoning for sin.
Leviticus 14:16 parallels the gesture of dipping the finger and sprinkling seven times, but with oil instead of blood.
Numbers 19:4 also involves sprinkling blood seven times toward the Tent of Meeting, part of the red heifer purification ritual.