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This rule makes changes to part 192 to expand excess flow valve requirement to include new or replaced branched service lines servicing single-family residences, multi-family residences, and small commercial entities consuming gas volumes not exceeding 1,000 Standard Cubic Feet per Hour (SCFH). PHMSA is also amending the Federal pipeline safety regulations to require the use of either manual service line shut-off valves (e.g., curb valves) or EFVs, if appropriate, for new or replaced service lines with meter capacities exceeding 1,000 SCFH. In addition, this final rule will codify a requirement for operators to notify customers of their right to request installation of an EFV on service lines that are not being newly installed or replaced. PHMSA has delegated the question of who bears the cost of installing EFVs to service lines that are not being newly installed or replaced to the operator's rate-setter.