|CHAPTER�4�-�TEMPORARY�DUTY�TRAVEL�TDY
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| | CHAPTER 4 - TEMPORARY DUTY TRAVELTDY | 
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| | PART A:� GROUP� TRAVEL� | 
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| | U4000� GUIDELINES IN PRESCRIBING GROUP TRAVEL� | 
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| | A.� General. | 
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| | The provisions of this Part are for use when several members are to travel from the same point of origin to the same destination.� Such members should travel as a group for purposes of: | 
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| | 1. unit integrity;
2. control of a specialized group (such as recruits, students, patients, etc.);
3. mission requirements;
4. duty while traveling (such as conducting experiments, taking polls, training in organizational movements, movement of Government vehicles, etc.);
5. exigencies of the Service;
6. maneuvers; 
7. field duty;
8. unit movements; or
9. other operational or strategic reason. | 
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| | B.� Considerations When Assigning Group Travel. | 
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| | Group travel shouldn't be used merely for economy in the use of travel funds.� Consideration should be given to such economy as being in the best interests of the Government; however, consideration also should be given to the needs of the member to travel as an individual.� The following needs should be considered: | 
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| | 1. driving aPOCincident to aPCSor for use in conducting Government business en route or at destination; | 
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| | 2. the taking of leave by members during travel; | 
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| | 3. inconvenience and/or impairment of individual mission requirements by having to conform to group movement requirements; | 
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| | 4. the need to accompany dependent traveling at the same time incident to a�PCS; or | 
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| | 5. when the commander directing the travel determines that individual travel is in the best interest of the individual and the Government. | 
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| | U4001 AUTHORIZED ALLOWANCES� | 
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| | A.� Transportation. | 
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| | A member isn't entitled to aMALTwhen performing group travel.� Necessary transportation (including sleeping accommodations, if available and required) shall be furnished by Government transportation or Government Transportation Requests. | 
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| | B.� Meals and Quarters. | 
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| | Per diem and actual expense aren't payable to a member when performing group travel.� A member is provided meals by meal tickets (see par.U5018), box lunches or Government prepared meals, and be provided quarters by the Government.� Officer members obtaining a meal in a Government mess are required to pay the discounted meal rate (basic meal rate), while enlisted members are permitted to mess without charge (see DoDFMR, Volume 12, Special Accounting Policy and Procedures, Chapter 19).� If meals or quarters aren't available, reimbursement is authorized for occasional meals and quarters under par.U4510.� Officers may not be reimbursed for any expense they incur in connection with Government meals. | 
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| | U4002 DURATION OF GROUP TRAVEL� | 
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| | Group travel status begins when the member departs thePDSor at 0001 of the day of departure from aTDYstation.� A member remains in a� group travel status while traveling between stations including time spent en route,� awaiting further transportation,� and any necessary delays incident to the mode of travel.� Group travel status ends at 2400 of the day the member arrives at theTDYstation or at the time of arrival at thePDS.� Per diem or actual expense reimbursement, in accordance with Parts B or C, as applicable, apply at theTDYpoint from 0001 the day following arrival through 2400 the day before departure. | 
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| | U4003 MEMBERS TRAVELING SEPARATELY� | 
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| | Orders for group travel shouldn't ordinarily include members authorized or permitted to travel separately from the group.� However, when a member who is specifically authorized by the order-issuing official to travel separately from the group (i.e., authorized to travel byPOC) is included in the group travel orders, the member is entitled to the allowances provided for the type of travel involved for an individual. | 
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| | U4004 STRAGGLERS FROM GROUP� | 
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| | A member who becomes separated from the group while traveling in a group travel status shall be provided for in the manner prescribed in Chapter 7, Part N. | 
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| | PART B:� PER DIEM ALLOWANCE� | 
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| | U4100� GENERAL� | 
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| | A per diem allowance is designed to offset the cost of lodging, meals, and incidental expenses incurred by a member while performing travel, and/orTDYaway from the member'sPDS.� A per diem allowance is payable for whole days, except for the day of departure from and for the day of return to thePDS, in which case a per diem is computed as prescribed in par.U4125-A.� Per diem rates for locations inCONUSare prescribed in Appendix D.� Per diem rates forOCONUSlocations are prescribed in Appendix B. | 
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| | U4101� WHEN PER DIEM ALLOWANCE IS AUTHORIZED� | 
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| | Unless otherwise specifically provided for or restricted in this Volume, the per diem allowances prescribed in this Part apply for all periods ofTDY, and travel in connection therewith, including but not limited to the following: | 
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| | 1. periods of necessary delay awaiting further transportation, | 
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| | 2. periods of delay at ports of embarkation and debarkation in connection with aPCS, | 
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| | 3. periods ofTDYdirected in aPCSorder, | 
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| | 4. delays for the purpose of qualifying for reduced travel fares (see par.U4325-E). | 
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| | U4102� CIRCUMSTANCES IN WHICH PER DIEM NOT AUTHORIZED� | 
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| | A.� When Not in a Travel Status. | 
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| | A member isn't entitled to per diem for any day before the day during which a travel status begins or for any day after a travel status ends (par.U2200-C). | 
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| | B.� Day of Leave or Proceed Time. | 
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| | A member isn't entitled to per diem on any day classified as leave or proceed time.� NOTE:� A day used in a constructive travel computation forPCSmixed mode travel doesn't make that day a travel day (see par.U5160). | 
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| | C.� WhenPCSMALT PLUSorPCSMileage Is Payable. | 
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| | A� member isn't entitled to per diem for any day thatPCSMALT PLUSis payable. | 
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| | D.� Travel orTDYWithinPDSLimits. | 
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| | Except as authorized in par.U4105-H, a member isn't entitled to per diem for travel orTDYor� performed within the limits of thePDS.� This doesn't preclude payment� of� per� diem� on� the day of departure from or day of return to thePDSin connection withTDYor� away from thePDS.� For transportation entitlement seeChapter 3. This subparagraph doesn't prohibit reimbursement under par.U4510for occasional meals and quarters necessarily procured within the limits of thePDSby members� escorting arms control inspection team/members while engaged in activities related to the implementation of an arms control treaty or agreement during the in-country period referred to in the treaty or agreement (DOD Authorization Act, FY93, P.L. 102-484, dated 23 October 1992.) | 
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| | E.�TDY� Within the Local Area of thePDS(Outside thePDSLimits). | 
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| | A member isn't entitled to per diem forTDYperformed within the local area (outside the limits) of thePDSas defined in parU3500-B, unless overnight lodging is required. Occasional meals may be reimbursed under par.U4510when the member is required to procure meals at personal expense outside thePDSlimits. For transportation entitlements seeChapter 3. | 
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| | F.� Round Trips Within 12 Hours. | 
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| | A member isn't entitled to per diem forTDYwhich is performed entirely within 12 hours.� Occasional meals may be reimbursed under par.U4510when the member is required to procure meals at personal expense outside thePDSlimits.� For transportation entitlements see Chapter 3. | 
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| | G.� Group Travel Status. | 
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| | A member isn't entitled to per diem during a period in which group travel status exists (Part A).� Occasional meals or quarters necessarily procured are reimbursable under par.U4510. | 
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| | H.� Navigational and Proficiency Flights. | 
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| | A member isn't entitled to per diem for navigational and proficiency flights when they are authorized at the member's request. | 
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| | I.� Assignment to Two-Crew Nuclear submarines. | 
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| | A member underPCSorders isn't� entitled to per diem after 2400 on the day the member assigned to a two-crew nuclear submarine (SSBN) arrives at the�� homeport of the vessel and no further travel is performed away from the homeport under those orders (57 Comp. Gen. 178 (1977)). | 
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| | J.�TDYor Training Duty Aboard Government Vessel. | 
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| | A member isn't entitled to per diem for any period ofTDYor training duty aboard a Government vessel when both Government mess and quarters are available.� The period during which this prohibition is in effect begins at 0001 on the day after the day of arrival aboard and ends at 2400 on the day before the day of departure therefrom.� TheTDYor training duty is considered unbroken when a member transfers from one Government vessel to another at the same place and the transfer is made within a 10-hour period.� When quarters are required to be retained at the same or a priorTDYlocation, reimbursement for the cost of such quarters is made under par.U4510. | 
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| | K.� Aboard Vessel Constructed by Commercial Contractor. | 
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| | A member isn't entitled to per diem for the period aboard a vessel constructed by a commercial contractor during acceptance trials before commissioning when both quarters and all meals are furnished without charge.� The period during which this prohibition is in effect begins at 0001 on the day after the day of arrival aboard and ends at 2400 on the day before the day of departure therefrom.� When quarters are required to be retained at the same or a priorTDYlocation, reimbursement for the cost of such quarters is made under par.U4510. | 
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| | L.� Field Duty. | 
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| | A member on field duty isn't entitled to per diem except when the: | 
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| | 1. senior commander in charge of the exercise� (or designated representative)� for each operating location issues a statement to the member indicating that either Government quarters at no charge, and/or Government meals at no charge for enlisted members,� weren't available during stated periods of the field duty; | 
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| | 2. member is participating in the advance planning or critique phase of the operation; or | 
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