18.104.22.168 Reference to Figure 3 added to provide clarification for how alternate inboard test angle is calculated.
Figure 3 added
Section 2.2.2 revised.
Section 22.214.171.124 chaged 4.6m to 4.57m for more accurate rounding, to be consistent with FMVSS108 and CMVSS108, 15 foot = 4.572m
Section 6.4.2 revised
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