ifying number not less than 16cm in height, 
clearly displayed on the rear of the playing top.
4.3.1 Identifying numbers must feature no more than two (2) digits.
4.4 Hats or caps are permitted to be worn during a match provided they are safe 
and meet any NTA regulations.
4.5 Safe footwear must be worn with exceptions allowed for game variants such as 
Beach Touch