On December 13, in accordance with the Dodd-Frank Act, the Fed proposed rules to amend Regulation Z (Truth in Lending) and Regulation M (Consumer Leasing) to apply to consumer credit transactions and consumer leases of up to $50,000 (up from $25,000), effective July 21, 2011. Comments must be submitted by the later of February 1, 2011 or 30 days after publication of the proposals in the Federal Register. Fed Release. Reg Z Proposal. Reg M Proposal.