CFR›Title 12›Chapter X›Part 1004 ContainsSections 1004.1–1004.4; Appendix ACorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 PART 1004—ALTERNATIVE MORTGAGE TRANSACTION PARITY (REGULATION D) Contents 1004.1 § 1004.1 Authority, purpose, and scope. 1004.2 § 1004.2 Definitions. 1004.3 § 1004.3 Preemption of State law. 1004.4 § 1004.4 Requirements for alternative mortgage transactions. Appendix A to Part 1004 Appendix A to Part 1004—Official Commentary on Regulation D Authority12 U.S.C. 3802, 3803; 15 U.S.C. 1604, 1639b; Pub. L. No. 111-203, 124 Stat. 1376.Source76 FR 44242, July 22, 2011, unless otherwise noted. Previous 1003 Part 1003—Home Mortgage Disclosure (Regulation C) Next 1005 Part 1005—Electronic Fund Transfers (Regulation E)