|CHAPTER�7�-�TRAVEL�AND�TRANSPORTATION�ALLOWANCES�UNDER�SPECIAL�CIRCUMSTANCES�AND�CATEGORIES
    PART�F1:��TRAVEL�WHILE�ON�DUTY�WITH�PARTICULAR�UNITS
        U7100��CERTAIN�MOBILE�UNITS
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| | U7100� CERTAIN MOBILE UNITS | 
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| | A.� Entitlement. | 
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| | While away from the PDS, a member on duty with, or under training for: | 
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| | 1.� the Air Mobility Command,� | 
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| | 2.� Marine Corps Transport Squadrons,� | 
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| | 3.� Fleet Logistics Support Squadrons,� | 
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| | 4.� Naval Aircraft Ferrying Squadrons, or� | 
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| | 5.� any other unit determined by the Secretary concerned to be performing duties similar to the duties performed by such command or squadrons,� | 
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| | is entitled to travel and transportation allowances under Chapter 4, without specific travel orders (47 Comp. Gen. 477 (1968)).� Chapter 3, Parts C and E apply at locations other than the PDS. | 
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| | B.� Approval. | 
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| | A member's commanding officer, or the designated representative, must approve per diem and transportation claims. | 
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| | U7105� DUTY ABOARD COMMERCIAL CARRIERS | 
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| | Members who perform duty aboard commercial carriers (e.g., military police, train guards, railway car commanders, military train conductors, Coast Guard marine inspectors) while en route are entitled to the allowances prescribed in Chapter 4, Part B or C, as applicable.� Mileage is not payable when carriers provide transportation. | 
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| | U7110� RIVER AND HARBOR AND FLOOD CONTROL ACTIVITIES� | 
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| | The Chief of Engineers, Department of the Army, may prescribe the temporary travel allowances within the maximum per diem or AEAs authorized in Chapter 4, Part B or C, consistent with activity requirements, for officers engaged in river and harbor and flood control activities, if meals and/or lodgings are furnished on a floating plant or on shore. | 
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| | U7115� SHIP CONSTRUCTED, OVERHAULED OR INACTIVATED AT OTHER THAN HOMEPORT� | 
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| | A.� Entitlement | 
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| | Members with dependents are entitled to the following authorized transportation allowances for themselves or their dependents while on permanent duty aboard a ship being constructed, overhauled or inactivated. | 
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| | 1.� Overhaul or Inactivation. | 
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| | If the overhaul or inactivation is at a location other than the homeport, round-trip transportation is authorized between that location and the homeport.� If the homeport is changed to the overhaul or inactivation location, round-trip transportation is authorized between the new and old homeport in lieu of PCS travel entitlements for dependents if, for personal reasons (e.g., necessary dependent medical care not available), dependents do not relocate to the new homeport.� In either case, the dependents must reside in the vicinity of the original homeport (i.e., within the normal daily commuting area). | 
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| | 2.� Construction. | 
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| | If construction is at a location other than the ship�s designated future homeport or place dependents reside, round-trip transportation is authorized between the construction location and the future homeport or place dependents reside.� A member�s dependents must not reside at the construction location. | 
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| | B.� Authorized Transportation Allowances. | 
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| | 1.Authorized transportation allowances are: | 
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| | a.transportation in kind or Government procured transportation, | 
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| | b.reimbursement for member or dependent-procured transportation, or | 
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| | c.the automobile mileage rate for the official distance. | 
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| | 2.Government transportation must be used, if practicable.� Reimbursement under subpar. B1b is subject to par. U3110 (or subpar. U5203-A, first item 2) for overland travel and subpar. U5116-D (or U5205-B) for transoceanic travel.� Mixed mode overland travel reimbursement is as prescribed in subpar. U5105-E.� Payments under subpars. B1b and c must not exceed the cost of Government-procured round-trip commercial air transportation for the member between: | 
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| | a.the overhaul or inactivation location and the original homeport under subpar. A1, or | 
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| | b.the construction location and future homeport or location where dependents reside under subpar. A2. | 
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| | NOTE:� See par. U5222-M for dependent travel.� If dependents travel instead of the member, the transportation cost for the family is limited to the cost of Government procured commercial round trip travel for the member. | 
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| | 3.If two or more members travel together by POC, only the POC operator is entitled to mileage. | 
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| | 4.Per diem, meal tickets, or reimbursement for meals and lodging are not authorized. | 
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| | C.� Conditions of Entitlement. | 
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| | 1.The transportation allowance entitlements under this paragraph accrue on the 31st day (and every 60th day thereafter) after the later of the day the: | 
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| | a.ship enters the overhaul or inactivation port, or | 
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| | b.member is permanently assigned to the ship. | 
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| | 2.A member must be permanently assigned to the ship for more than 30 consecutive days. | 
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| | 3.A member who does not use one or more of the entitlements as accrued, retains all entitlements, but all travel under this paragraph must begin before the ship departs the construction, overhaul or inactivation location. | 
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| | 4.If a member elects dependent transportation allowances for one entitlement, member transportation allowances are not authorized. Each entitlement, however, as it is used is an independent election, and a member may alternate member or dependent travel as desired. | 
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| | U7120� AERIAL SURVEYS� | 
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| | A member assigned to duties involving aerial surveys of rivers and harbors or governmental projects, other than those pertaining to the Service, and otherwise authorized either through enactments providing for such activities generally or enactments authorizing a particular project, is authorized a per diem or AEA for the entire period a travel status exists at the rates otherwise prescribed for members in a travel status (see Chapter 4, Part B or C, as applicable). | 
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| | PART F2:� TRAVEL WHEN PER DIEM NOT AUTHORIZED | 
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| | U7125TRAVEL WHEN PER DIEM NOT AUTHORIZED� | 
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| | A.� Orders to Active Duty - no PDS Designated.� | 
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| | A member whose orders to active duty don't designate a specific PDS after the TDY is completed, is not entitled to per diem during the� TDY.� (NOTE:� Per diem payment is authorized (also see subpar. B) from the date the member receives orders naming a PDS other than the TDY station.) | 
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| | B.� Undergoing Processing.� | 
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| | Except as provided in item 3, no per diem is payable before reporting to the first PDS while an enlisted member (newly inducted or enlisted) undergoes processing, indoctrination, basic training (including follow-on technical training and/or home station training for members of the reserve components), or instruction in a TDY status at a place where both Government mess and Government quarters (other than temporary lodging facilities) are available.� (See subpar. A when a first PDS is not specified in a member's orders.)� However, per diem payment is authorized during: | 
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| | 1.travel to, from, or between places for processing, indoctrination, training, or instruction; | 
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| | 2.delay or processing incident to travel to a designated PDS or while awaiting transportation to such station; or | 
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| | 3.TDY under instruction following initial technical or specialty training after basic training if a PDS has been assigned and per diem during the course of instruction is authorized through the Secretarial Process specifically for these members. | 
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| | C.� TDY Station Changed to PDS.� | 
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| | A member, who receives PCS orders while at a TDY station designating it as the new PDS effective immediately, is not entitled to per diem beginning on the date the member receives those orders.� Information indicating that the member will be transferred to the TDY station on a specified future date has no impact on the payment of otherwise proper TDY allowances for the TDY involved and return travel to the old PDS. | 
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| | D.� Bedpatient or Inpatient.� | 
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| | A member is not entitled to per diem while a bedpatient or an inpatient in a hospital.� Per diem is payable for days of travel to, from, or between hospitals, and when subsisting out (see Appendix A).� When members must retain quarters at the same or a prior TDY location, reimbursement for the cost of these quarters is made under par. U4510. | 
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| | E.� Assignment to Rehabilitation Center or Activity. | 
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| | A member is not entitled to per diem for any period of TDY when assigned to a rehabilitation center or activity for rehabilitation training and/or treatment when both Government quarters and mess are available. | 
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| | F.� Members of Missions.� | 
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| | Members of military, naval, or air missions, or others authorized to receive additional pay or allowances from foreign governments or U.S. agencies other than their respective Services, or from other sources, aren't entitled to the per diem prescribed herein except when: | 
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| | 1.specifically authorized jointly by the Secretaries concerned; | 
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