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Interpretation ID: aiam2712

Director, Office of Standards Enforcement; Director
Office of Standards Enforcement;

I have received your November 8, 1977, memorandum questioning th applicability of the performance requirements in Section S5.4 of Standard No. 217 to knock-out rear windows. You suggest that these requirements may apply only to push-out windows, not knock- out windows.; It is our interpretation that the requirements of the standard apply t both push-out and knock-out windows. We realize that this may create some difficulty for purposes of conducting compliance testing since knock-out windows must be reinstalled in order to conduct subsequent tests upon them. Nonetheless, the window should be required to comply with the standard.; Joseph J. Levin, Jr.

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