Does anyone know whether the "Check Truncation Act" was every finalize and enacted? If so, where can I find a copy?

It doesn't look like it has been finalized. Here is a link with the proposal:

http://www.federalreserve.gov/paymentsystems/truncation/

I don't believe it has ever been finalized.

Nothing done yet.

Here's the latest status:

S.3034
Sponsor: Sen Johnson, Tim(introduced 10/2/2002)
Latest Major Action: 10/2/2002 Referred to Senate committee. Status: Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
Title: A bill to facilitate check truncation by authorizing substitute checks, to foster innovation in the check collection system without mandating receipt of checks in electronic form, and to improve the overall efficiency of the Nation's payments system, and for other purposes.