As used in this chapter:

The terms “year” and “annually” mean either the calendar year or a period of twelve (12) calendar months.

The term “business” includes all activities or acts, personal, professional or corporate, engaged in or caused to be engaged in with the object of gain, profit, benefit or advantage, either direct or indirect, or following or engaging in any trade, calling or profession, and all things which occupy the time, attention and labor of individuals for the purpose of a livelihood or profit.

The term “place of business” means a store, shop, counting room, office, factory, or other location or locations, whether in a building, enclosed space or in any undefined place or places where any business as herein defined is done, conducted or carried on.

The term “manufacturer” means a business at which there are conducted activities of an industrial or commercial nature wherein labor or skill is applied, by hand or machinery, to materials belonging to the manufacturer so that a new, different or more useful article of tangible personal property or substance of trade or commerce is produced for sale or rental, and includes the production or fabrication of special-made or custom-made articles for sale or rental.

The term “taxpayer” means any person liable for any tax hereunder, in addition to the usual meaning of such word.

The term “officer collecting the tax” means the tax collector of the county, or in the case of municipalities the person who collects the taxes for the municipality, regardless by whatever title he may be known.

The term “employee” means full-time employees and, with respect to a professional firm or clinic, also includes all partners, however, such term excludes seasonal employees. The term “full-time” means at least thirty (30) hours per seven-day week.