“Handling fee” means an amount paid to an operator of a supermarket site, a rural region recycler, as defined in Section 14525.5.1, or a nonprofit convenience zone recycler, as defined in Section 14514.7, that is located in a convenience zone, for every beverage container redeemed by the operator at the supermarket or within the zone in which the supermarket site is located, by the rural region recycler, or by the nonprofit convenience zone recycler.