Haggai 2:11

"Thus says Yahweh of hosts: 'Ask now the priests [for] a ruling:

Leviticus 10:10-11

and to distinguish between the holy and the unholy, as well as between the unclean and the clean,

Malachi 2:7

For the lips of [the] priest should guard knowledge, and they should seek instruction from his mouth, for he [is] the messenger of Yahweh of hosts.

Deuteronomy 17:8-11

"{If a matter is too difficult for you}, [for example disputes] between blood and blood, between legal claim and legal claim and between assault and assault [and between] matters of discernment in your {towns}, then you shall get up and you shall go to the place that Yahweh your God will choose;

Deuteronomy 33:10

They taught your regulations to Jacob, and your law to Israel; they placed incense smoke {before you}, and whole burnt offerings on your altar.

Ezekiel 44:23-24

And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.

Titus 1:9

holding fast to the faithful message according to the teaching, in order that he may be able both to exhort with sound instruction and to reprove those who speak against [it].

Treasury of Scripture Knowledge

Summary

Thus saith the LORD of hosts; Ask now the priests concerning the law, saying,

Bible References

General references

Leviticus 10:10
and to distinguish between the holy and the unholy, as well as between the unclean and the clean,
Deuteronomy 33:10
They taught your regulations to Jacob, and your law to Israel; they placed incense smoke {before you}, and whole burnt offerings on your altar.
Ezekiel 44:23
And they will teach my people [the difference] between what is holy and what is unholy, and [the difference] between unclean and clean they must show them.
Malachi 2:7
For the lips of [the] priest should guard knowledge, and they should seek instruction from his mouth, for he [is] the messenger of Yahweh of hosts.
Titus 1:9
holding fast to the faithful message according to the teaching, in order that he may be able both to exhort with sound instruction and to reprove those who speak against [it].