Leviticus 6:9 commands the fire to remain burning on the altar overnight, directly parallel to the perpetual fire command in 6:12.

Leviticus 1:7-9 describes the same altar fire and burnt offering — the foundational ritual that this verse regulates.

Leviticus 3:3-5 specifies burning the fat of peace offerings — exactly what this verse commands to be done on the altar.

Leviticus 3:9-11 gives the same instruction for sheep peace offerings — burning fat on the altar, as referenced here.

Leviticus 3:14-16 does the same for goat peace offerings — the fat burned on the altar, consistent with this verse.

Leviticus 9:24 records the divine fire that first consumed the offering — the fire that 6:12 commands be kept burning perpetually.

Leviticus 3:5 details burning the fat of the fellowship offering on the altar fire, exactly the procedure cited in 6:12.

Exodus 29:38-42 institutes the daily burnt offering — the morning lamb offering that this verse prescribes wood for.

Nehemiah 13:31 mentions the wood offering for the altar — directly supporting the perpetual fire maintained here.

Mark 9:48 uses 'fire is not quenched' — a direct verbal echo of the perpetual altar fire here, now applied to eternal judgment.

Nehemiah 10:34 shows Israel later supplying wood for the altar fire, implementing the law of 6:12.

Mark 9:49 says everyone will be salted with fire — linking sacrificial fire (like the altar) to purification and judgment.

Hebrews 10:27 speaks of a 'fury of fire' consuming adversaries — echoing the never‑ending altar fire as a symbol of divine judgment.