(a) Under the supervision of the paddock judge, the kennel master shall unlock the lockout kennel and the crates immediately before weigh-in time to ensure that the crates are in good repair and that nothing has been deposited in any of the crates for the greyhound's consumption.(b) The kennel master shall ensure that the crates are sprayed and disinfected before each performance and maintained in a proper sanitary condition.(c) The kennel master shall supervise the leadouts in the placing of the greyhound in the proper crate until removed for racing. The kennel master or the kennel master's assistant shall remain on guard in the paddock area from weigh-in time until the greyhounds are removed for the last race.