Hebrews 9:6

Now when these things were ordained in this way, the priests always went into the first tabernacle, accomplishing the service of God.

Numbers 28:3

And you shall say to them, This is the fire offering which you shall offer to Jehovah: two lambs of the first year without spot day by day, a continual burnt offering.

Exodus 27:21

in the tabernacle of the congregation, outside the veil which is before the testimony. Aaron and his sons shall order it from evening to morning before Jehovah. It shall be a statute forever to their generations on behalf of the sons of Israel.

Exodus 30:7-8

And Aaron shall burn sweet incense on it every morning; when he dresses the lamps he shall burn it.

2 Chronicles 26:16-19

But when he was strong, his heart was lifted up to ruin. For he sinned against Jehovah his God, and went into the temple of Jehovah to burn incense on the altar of incense.

Daniel 8:11

Yea, he magnified himself, even to the ruler of the host, and the daily sacrifice was taken away by him, and the place of his sanctuary was cast down.

Luke 1:8-11

And it happened in his serving in the order of his course, before God,

Treasury of Scripture Knowledge

Summary

Now when these things were thus ordained, the priests went always into the first tabernacle, accomplishing the service of God.

Bible References

The priests

Exodus 27:21
in the tabernacle of the congregation, outside the veil which is before the testimony. Aaron and his sons shall order it from evening to morning before Jehovah. It shall be a statute forever to their generations on behalf of the sons of Israel.
Exodus 30:7
And Aaron shall burn sweet incense on it every morning; when he dresses the lamps he shall burn it.
Numbers 28:3
And you shall say to them, This is the fire offering which you shall offer to Jehovah: two lambs of the first year without spot day by day, a continual burnt offering.
2 Chronicles 26:16
But when he was strong, his heart was lifted up to ruin. For he sinned against Jehovah his God, and went into the temple of Jehovah to burn incense on the altar of incense.
Daniel 8:11
Yea, he magnified himself, even to the ruler of the host, and the daily sacrifice was taken away by him, and the place of his sanctuary was cast down.
Luke 1:8
And it happened in his serving in the order of his course, before God,