Upon arrival, members must register their guest(s) at the service desk. All guests must present a valid picture ID showing date of birth. Guests may visit a maximum of three times with a guest pass or as a member guest. A $5.00 fee is charged for the first three visits of a member guest. After the third visit, guests pay $12 for a day membership. Members may bring up to two guests at one time unless prior arrangements have been made. Guests must be 16 or older and if under age 18 must be accompanied by a parent or guardian. Members are responsible for the conduct of their guest(s). Guests not accompanied by a NIFS member pay $12 for a day membership.