With the WAO change in jump height from 650 to 600 UKI has decided to follow suit.
As of July 1st in the US, UKI's highest jump height will move from 26" down to 24". Canada will switch July 8th which is the start of their qualification period. The US Open and Canadian Open will also use the 24 inch height.
All other heights and cutoff's will remain the same.