(a) A certified lifeguard must supervise children at all times during a swimming activity involving a body of water two feet deep or more which occurs at your operation.(b) At all times during a swimming activity sponsored by the operation involving a body of water two feet deep or more which occurs away from your operation:(1) If there are six or fewer children participating in the swimming activity, at least one adult counted in the swimming child/adult ratio must be able to swim or must be trained to carry out a water rescue; and(2) If more than six children are participating in the swimming activity, a certified lifeguard must also be on duty.(c) A child in your care who is a certified lifeguard may act as the lifeguard if he is:(1) At least 16 years old; and(2) Not counted as an adult or caregiver in the required child/adult swimming ratio.