Numbers 18:8 introduces the priestly portion from all consecrated things; verse 9 then specifies the most holy offerings.

Numbers 5:9 states generally that holy contributions brought to the priest become his, echoing the principle of priestly portion.

Leviticus 2:3 explicitly states that the rest of the grain offering is for Aaron and his sons, directly matching the priestly portion in Numbers 18:9.

Leviticus 14:13 confirms the guilt offering is the priest's and most holy—identical to the principle in Numbers 18:9, applied to leper cleansing.

Leviticus 10:17 rebukes the priests for not eating the sin offering, which Numbers 18:9 says is most holy and given to them to bear the congregation's iniquity.

Leviticus 10:13 confirms the grain offering is the priests' due and must be eaten in a holy place, exactly as Numbers 18:9 prescribes.

Leviticus 10:12 instructs Aaron and his sons to eat the remaining grain offering as most holy, reinforcing the priestly portion from Numbers 18:9.

Leviticus 7:7 states the guilt offering belongs to the officiating priest, reinforcing the priestly portion rule in Numbers 18:9.

Leviticus 7:1 declares the guilt offering 'most holy', directly echoing the same classification for these offerings in Numbers 18:9.

Leviticus 6:26 specifies that the priest who offers the sin offering shall eat it, directly fulfilling the priestly entitlement stated in Numbers 18:9.

Leviticus 6:25 declares the sin offering most holy, confirming the same status that Numbers 18:9 gives to it as the priests' portion.

Leviticus 2:2 describes the grain offering procedure, which Numbers 18:9 lists as a most holy portion reserved for the priests.

Leviticus 7:6 says the guilt offering may be eaten by male priests in a holy place, echoing the priestly entitlement in Numbers 18:9.

Leviticus 6:17 explicitly calls the grain offering 'most holy' and a priestly portion—directly reinforcing Numbers 18:9's classification.

Leviticus 21:22 clarifies that priests with blemishes may still eat the most holy offerings, affirming the same category of food.

Leviticus 22:4 restricts priests from eating holy things when unclean, adding a condition to the permission in Numbers 18:9.

Deuteronomy 18:1 reiterates that the priests' inheritance is the offerings, including the most holy, as their portion.

2 Kings 12:16 records that guilt and sin offerings belonged to the priests, showing historical practice of Numbers 18:9.

Ezra 2:63 withholds most holy food from those without proven lineage, enforcing the purity requirement from Numbers 18:9.

Ezekiel 42:13 explicitly names grain, sin, and guilt offerings as most holy food for priests in the temple chambers.

Ezekiel 44:29 repeats that priests eat grain, sin, and guilt offerings, directly paralleling Numbers 18:9.

Leviticus 6:16 commands Aaron and his sons eat the remaining grain offering in a holy place, matching the priestly portion for grain offerings in Numbers 18:9.

Leviticus 7:9 specifies that grain offerings baked in ovens or pans belong to the offering priest—consistent with the grain offering portion in Numbers 18:9.