Federal Motor Vehicle Safety Standards; Occupant Protection in Interior Impact

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This document responds to petitions for reconsideration requesting changes to a final rule published on February 27, 2004 (February 2004 final rule). The February 2004 final rule amended the upper interior impact requirements of Federal Motor Vehicle Safety Standard No. 201, "Occupant protection in interior impact." Among other matters, to address the safety consequences of certain new vehicle designs, the February 2004 final rule added new targets to door frames and seat belt mounting structures found in some vehicles. This document amends the definition of "seat belt mounting structure" to ensure that the definition is not unnecessarily broad, and clarifies several issues related to existing target relocation procedures. This document also delays the implementation of the new requirements for door frames and seat belt mounting structures from September 1, 2005 until December 1, 2005.