The fees prescribed by Section 6.52.040 of this chapter are applicable to any business activity within the county (excepting the city of Berkeley). Any person conducting or engaging in a business, occupation, act or other activity defined in Section 6.52.030 of this chapter within the county (excepting the city of Berkeley) shall be liable for the medical waste management fees specified in Section 6.52.040 of this chapter for such business, occupation, act or activity. Such fees shall be payable annually in advance, unless otherwise specified. (Prior gen. code 3-260.1)