Deuteronomy 10:2 records God's promise to write the words on the new tablets, fulfilling the command.

Exodus 25:16-22 provides the original command to place the tablets in the ark, confirming the pattern Moses follows here.

Exodus 40:20 records Moses actually placing the tablets into the ark, exactly as commanded here.

1 Kings 8:9 confirms the ark contained only the two tablets, echoing Deuteronomy 10:2's deposit.

Exodus 34:28 says Moses wrote the tablets, while Deuteronomy 10:2 says God wrote them — a different authorship.

2 Chronicles 5:10 repeats that only the two tablets were in the ark, confirming the account here.