Record Clerk Overtime. When it is necessary for overtime to be worked by Record Clerks, if no Record Clerk volunteers for the overtime, then it will be offered to the Property Room Manager, Administrative Secretary and Secretary by seniority. If no employee voluntarily accepts the overtime, then the lowest senior Secretary, then Administrative Secretary and then Property Room Manager shall be required to work and if there is no Secretary, Administrative Secretary or Property Room Manager available, or if additional employees are needed to work overtime, then Record Clerks will be required to work by inverse seniority. When an employee performs Record Clerk work in accordance with this Section, the employee will be paid his or her rate of pay, but not less than the Record Clerk rate of pay.