Home › CFR › Title 21 › Part 100421 CFR Part 1004 — Repurchase, Repairs, or Replacement of Electronic Products§ 1004.1— Manufacturer's obligation to repair, replace, or refund cost of electronic products.§ 1004.2— Plans for the repair of electronic products.§ 1004.3— Plans for the replacement of electronic products.§ 1004.4— Plans for refunding the cost of electronic products.§ 1004.6— Approval of plans.