The fine print includes: Residency in these ZIP Codes will be confirmed by a utility bill or a valid driver’s license at the time of service. Proof of a current rabies vaccine is required or can be provided at the time of surgery for no additional cost. Shelters and rescue groups may not participate in this program. Additional fees will be incurred if owners purchase take-home pain medications, antibiotics, vaccines, or additional services. All cats must be in a hard-sided carrier.  This program cannot be used for feral cats. This special cannot be combined with any other specials or coupons. Only four pets per owner, per day. All pets must have an appointment for surgery.