Leviticus 25:32

Notwithstanding the cities of the Levites, and the houses of the cities of their possession, may the Levites redeem at any time.

Cross-reference

Numbers 35:2–8 Historical context

Numbers 35:2-8 gives the original command to allocate cities to the Levites, providing the context for their redemption rights.

Joshua 21:1 Historical context

Joshua 21 records the actual assignment of Levitical cities, fulfilling the command and showing the historical basis for the law.