1. Regular Employee Regular employees are employees who are at least 18 but under 65 years of age and have been employed in any industry for a continuous period of 60 days or more. 2. Casual Employee Casual employees are employees who are at least 18 but under 65 years of age, and they are employed in the construction industry or the catering industry on a day-to-day basis or for a fixed period of less than 60 days.