Hebrews 5:1

5:1 For every high priest is taken from among the people and appointed to represent them before God, to offer both gifts and sacrifices for sins.

Hebrews 8:3

8:3 For every high priest is appointed to offer both gifts and sacrifices. So this one too had to have something to offer.

Hebrews 9:9

9:9 This was a symbol for the time then present, when gifts and sacrifices were offered that could not perfect the conscience of the worshiper.