5.1 Responsibilities of Supervisors and Individual Employees in Payroll Matters 5.2 Implementing Changes in Employment Status 5.3 Shift Differential 5.4 Overtime Pay for Support Staff 5.4.1 General Policy 5.4.2 Notice and Assignment of Overtime 5.4.3 Workweek Calculation 5.4.4 Determining Hours for Premium Pay 5.5 Lateness 5.5.1 Unexcused Lateness 5.5.2 Excused Lateness by Institute Notice 5.6 Emergency Closing or Early Release 5.6.1 Authorization to Close the Institute 5.6.2 Essential Employees 5.6.3 Variations in Emergency Situations 5.6.4 Payment During Emergency Closing or Early Release 5.6.5 Computation of Pay for Time Worked During an Emergency Closing or Early Release 5.6.6 Employees on Leave During an Emergency Closing or Early Release 5.6.7 Reporting for Work During an Emergency Closing or Early Release 5.6.8 Lateness 5.6.9 Employees at Distant Locations 5.6.10 Payment of Employees on Fixed or Variable Schedules During an Emergency Closing or Early Release 5.7 Special Holiday Closing 5.7.1 Payment in Special Holiday Closing 5.7.2 Absence in Special Holiday Closing 5.8 Temporary Work Assignment for MIT Employees 5.9 Meal Pay