Haggai 2:11
"Thus saith the LORD of hosts; Ask now the priests concerning the law, saying,"
Cross References (ranked by relevance)
Malachi 2:7
For the priest’s lips should keep knowledge, and they should seek the law at his mouth: for he is the messenger of the LORD of hosts.
Deuteronomy 33:10
They shall teach Jacob thy judgments, and Israel thy law: they shall put incense before thee, and whole burnt sacrifice upon thine altar.
Titus 1:9
Holding fast the faithful word as he hath been taught, that he may be able by sound doctrine both to exhort and to convince the gainsayers.