NASA Headquarters' Directives
HQPR 3600.1 Effective Date: September 20, 2010 Expiration Date: September 20, 2015 Responsible Office: LM4	Hours of Duty

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PREFACE
P.1 Purpose
P.2 Applicability
P.3 Authority
P.4 Applicable Documents
P.5 Measurement/Verification
P.6 Cancellation

CHAPTER 1. Responsibilities
1.1 Executive Director, Headquarters Operations
1.2 Director, Headquarters Human Resources Management Division
1.3 Managers and Supervisors
1.4 Employees
1.5 WebTADS Point(s) of Contact for Organizations

CHAPTER 2. Hours of Duty
2.1 Basic Workweek
2.2 Official Business Hours
2.3 Basic Work Requirement
2.4 Part-Time Schedules
2.5 Variations for Educational Purposes
2.6 Lunch Period
2.7 Rest Periods
2.8 Overtime and Compensatory Time
2.9 Telework

CHAPTER 3. General Requirements for Work Schedules
3.1 Available Work Schedules
3.2 Balance of Work and Personal Needs
3.3 Criteria and Considerations When Approving Work Schedules
3.4 Request and Approval of a Work Schedule (Tour) Change
3.5 Modifications to Approved Work Schedules
3.6 Employee Reconsideration
3.7 Reporting Hours of Work

CHAPTER 4. Standard Tour
4.1 Basic Workweek
4.2 Basic Work Requirements
4.3 Modifications to Schedule
4.4 Holidays

CHAPTER 5. Compressed Tour
5.1 Basic Workweek
5.2 Basic Work Requirements
5.3 Modifications to Schedule
5.4 Holidays

CHAPTER 6. Flexible Tours
6.1 General Provisions
6.2 Core Hours and Days
6.3 Flexible Time Bands
6.4 Glide Time
6.5 Flexilunch
6.6 Credit Hours
6.7 Flexible Work Schedule Options

CHAPTER 7. Irregular Tours of Duty
7.1 Intermittent or "When Actually Employed" (WAE)
7.2 First Forty Tour

Appendix A: Definitions

Appendix B: Acronyms

Appendix C: Headquarters Work Schedule (Tour) Change Request

Appendix D: Headquarters Work Schedule Agreement (for Variable Week and Maxiflex Tours)