Primary Verses:

1. Ex. 27:21

   • "In the tabernacle of the congregation without the vail, which is before the testimony, Aaron and his sons shall order it from evening to morning before YHVH: it shall be a statute for ever unto their generations on the behalf of the children of Israel."

2. Ex. 29:9

   • "And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons."

Supporting Verses:

3. Ex. 28:1-4
   • "And take thou unto thee Aaron thy brother, and his sons with him, from among the children of Israel, that he may minister unto me in the priest's office, even Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.  And thou shalt make holy garments for Aaron thy brother for glory and for beauty.  And thou shalt speak unto all that are wise hearted, whom I have filled with the spirit of wisdom, that they may make Aaron's garments to consecrate him, that he may minister unto me in the priest's office.  And these are the garments which they shall make; a breastplate, and an ephod, and a robe, and a broidered coat, a mitre, and a girdle: and they shall make holy garments for Aaron thy brother, and his sons, that he may minister unto me in the priest's office."
4. Ex. 29:1
   • "And this is the thing that thou shalt do unto them to hallow them, to minister unto me in the priest's office: Take one young bullock, and two rams without blemish,"
5. Ex. 29:9
   • "And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons."
6. Ex. 29:44
   • "And I will sanctify the tabernacle of the congregation, and the altar: I will sanctify also both Aaron and his sons, to minister to me in the priest's office."
7. Ex. 30:30

   • "And thou shalt anoint Aaron and his sons, and consecrate them, that they may minister unto me in the priest's office."

8. Num. 3:1-3

   • "These also are the generations of Aaron and Moses in the day that YHVH spake with Moses in mount Sinai.  And these are the names of the sons of Aaron; Nadab the firstborn, and Abihu, Eleazar, and Ithamar.  These are the names of the sons of Aaron, the priests which were anointed, whom he consecrated to minister in the priest's office."

9. Num. 3:10

   • "And thou shalt appoint Aaron and his sons, and they shall wait on their priest's office: and the stranger that cometh nigh shall be put to death."

10. Num. 3:38

    • "But those that encamp before the tabernacle toward the east, even before the tabernacle of the congregation eastward, shall be Moses, and Aaron and his sons, keeping the charge of the sanctuary for the charge of the children of Israel; and the stranger that cometh nigh shall be put to death."

11. Num. 18:4

    • "And they shall be joined unto thee, and keep the charge of the tabernacle of the congregation, for all the service of the tabernacle: and a stranger shall not come nigh unto you."

12. Num. 18:7

    • "Therefore thou and thy sons with thee shall keep your priest's office for everything of the altar, and within the vail; and ye shall serve: I have given your priest's office unto you as a service of gift: and the stranger that cometh nigh shall be put to death."

13. Heb. 5:3-4

    • "And by reason hereof he ought, as for the people, so also for himself, to offer for sins.  And no man taketh this honour unto himself, but he that is called of God, as was Aaron."