The high priesthood of the holy order of God

1. Alma 4: 20
     20 And thus in the commencement of the ninth year of the reign of the judges over the people of Nephi, Alma delivered up the judgment-seat to Nephihah, and confined himself wholly to the high priesthood of the holy order of God, to the testimony of the word, according to the spirit of revelation and prophecy.
2. Alma 13: 6, 18
     6 And thus being called by this holy calling, and ordained unto the high priesthood of the holy order of God, to teach his commandments unto the children of men, that they also might enter into his rest—
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     18 But Melchizedek having exercised mighty faith, and received the office of the high priesthood according to the holy order of God, did preach repentance unto his people. And behold, they did repent; and Melchizedek did establish peace in the land in his days; therefore he was called the prince of peace, for he was the king of Salem; and he did reign under his father.