As used in this part, unless the context otherwise requires:
(1) “Employer” means any person, corporation or other entity that employs at least fifty (50) but not more than ninety-nine (99) full-time employees at a workplace located within this state, and that is not excluded or exempt from the requirements of the Employment Security Law, compiled in chapter 7 of this title;
(2) “Reduction in operations” means: The closure of a workplace, or a portion of the operations in the workplace, whereby the number of employees working within the workplace is permanently or indefinitely reduced by fifty (50) or more during any three-month period;
(3) The modernization of a workplace, or a portion of the operations in the workplace, whereby the number of employees working within the workplace is permanently or indefinitely reduced by fifty (50) or more during any three-month period;
(4) The relocation of a workplace, or a portion of the operations in the workplace, to another site located more than fifty (50) miles from the workplace, whereby the number of employees working within the workplace is permanently or indefinitely reduced by fifty (50) or more during any three-month period; or
(5) The implementation or application of any management policy within a workplace, whereby the number of employees working within the workplace is permanently or indefinitely reduced by fifty (50) or more during any three-month period; and
(6) “Workplace” means a factory, plant, office or other facility where employees produce goods or provide services.