Deuteronomy 18:22 provides the test for false prophecy, directly following the death penalty rule in verse 20.

In Deuteronomy 13:1-5, false prophets leading to other gods are identified and sentenced to death—reinforcing the same consequence for speaking without God's command.

In Deuteronomy 13:2, the sign comes true but leads to other gods — a specific case of the false prophet condemned in Deuteronomy.

Deuteronomy 13:5 reiterates the same law: false prophets speaking in God's name without command must be put to death.

In Revelation 19:20, the false prophet is thrown into the lake of fire — an ultimate judgment echoing the death penalty for false prophets.

In Matthew 7:15, Jesus warns against false prophets in sheep's clothing—a New Testament application of the same danger from Deuteronomy.

In Zechariah 13:3, parents execute a false prophet who speaks falsely in the LORD's name — directly applying the death penalty from Deuteronomy.

In Ezekiel 13:6, false prophets claim 'declares the LORD' without being sent, echoing the same presumption and deception condemned in Deuteronomy.

In Jeremiah 28:15-17, Hananiah is a false prophet who spoke presumptuously and dies — an example of the judgment declared in Deuteronomy.

In Jeremiah 27:15, God says He did not send these prophets, yet they prophesy falsely in His name—reiterating the crime and its lethal consequence.

In Jeremiah 23:31, God opposes prophets who misuse His name by claiming 'declares the LORD'—a direct parallel to speaking what He did not command.

In Jeremiah 23:13-15, false prophets in Samaria and Jerusalem are condemned for speaking visions not from God, matching the Deuteronomic warning.

In Jeremiah 14:15, God declares that such false prophets will die by sword and famine—applying the death sentence from Deuteronomy.

In Jeremiah 14:14, God exposes prophets who speak lies in His name without being sent—directly illustrating the presumption condemned in Deuteronomy.

In Jeremiah 2:8, the prophets prophesied by Baal — a direct violation of the prohibition against speaking in the name of other gods.

In 1 Kings 18:40, Elijah executes the prophets of Baal — fulfilling the death sentence for false prophets prescribed in Deuteronomy.

In 1 Kings 18:19, Elijah confronts the 450 prophets of Baal — a concrete instance of prophets speaking in the name of other gods.

Jeremiah 23:30 condemns prophets who steal words from God, a specific form of false prophecy like that in Deuteronomy 18:20.

Jeremiah 23:32 condemns false prophets who lead people astray with lies, matching the threat of death in Deuteronomy 18:20.

Jeremiah 26:11 records priests accusing Jeremiah of false prophecy, applying the death penalty from Deuteronomy 18:20.

John 19:7 has the Jews claiming Jesus must die by law, likely referencing the death penalty for false prophets in Deuteronomy 18:20.

1 Kings 22:28 has Micaiah invoking the test of prophecy (if his word fails, he's false), echoing the criterion in Deuteronomy 18:22.

Ezekiel 13:23 pronounces judgment on false prophets, ending their false visions, akin to the penalty in Deuteronomy 18:20.

In 1 Kings 18:27, Elijah mocks the prophets of Baal — illustrating the futility of false prophets who speak in the name of other gods.

Exodus 22:20 prescribes death for sacrificing to other gods, paralleling the death penalty for false prophets speaking in other gods' names.