For use in this chapter, the following terms are defined:
1. “Consumer products” means all food which is subject to sales tax and all food which is not subject to sales tax under Chapter 422 of the Code of Iowa, except foods prepared for immediate consumption.
2. “Convenience store” means any business which sells at retail both gasoline and more than 20 consumer products and which routinely remains open for business 20 to 24 hours a day or between the hours of 10:00 p.m. and 5:00 a.m.
3. “Surveillance camera” means a video tape camera or similar video recording device.