Response to letter #39921
#40198 from Mike Smith · Rule change · TB 26-06 (2026-06 Fastrack)
In Size of Numbers and Class Identifications, GCR section 9.3.29.B, change as follows:
"The minimum height of all numbers is 8 inches high with a minimum 1.5-inch stroke width on a single-color contrasting
background. All numbers must be the same color and style. Metallic (reflective) identification characters and backgrounds are
prohibited. The minimum height of all class identifications is 4 inches high with a minimum 1/2-inch stroke width on a single-
color contrasting background. The Chief of Timing and Scoring and the Race Director/Chief Steward will determine legibility of
markings."