Not yet???
From
http://www.internationalkiteboarding.org/images/documents/manuals/Championship%20Rules%202011%20-%20Course%20Racing.pdf :
Equipment needs to be registered through the IKA registration scheme and be listed on the
IKA official production equipment list. They shall use the following box rule:
a. Max length: 1900mm
b. Max width: 700mm
c. Minimum weight: 4 kg for directional boards
d. Number of Fins / Retractable Fins: no restriction
e. Max Fin depth: 500mm
f. Max Kite area: 19sqm
g. Max number of boards to be registered per event: 1
h. Max number of kites to be registered per event: 3
i. Minimum number of similar boards produced to be considered production: 50