Deuteronomy 27:3 continues the command: the stones are to have the law written on them after crossing.

Deuteronomy 9:1 also says 'you are to cross over the Jordan today'—identical phrasing linking the same event.

Deuteronomy 11:31 repeats the crossing-of-the-Jordan motif, reinforcing the context of entering the land.

Joshua 1:11 commands the people to cross the Jordan, directly continuing the narrative from Deuteronomy.

Joshua 4:1 records the command to set up memorial stones at the Jordan — the same crossing event Deuteronomy 27:2 anticipates.

Joshua 8:32 records Joshua writing the law on stones at Mount Ebal, directly fulfilling the command in Deuteronomy 27:2-3.