|CHAPTER�2�-�ADMINISTRATION�AND�GENERAL�PROCEDURES
    PART�A:��TRAVEL�POLICY
        U2020��DEFENSE�TABLE�OF�OFFICIAL�DISTANCES�(DTOD)
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| | U2020� DEFENSE TABLE OF OFFICIAL DISTANCES (DTOD) | 
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| | A.� General.� | 
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| | The DTOD: | 
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| | 1.� is the standard source for worldwide distance information, | 
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| | 2.� replaces all other sources used for computing distance (except for airplanes),� | 
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| | 3.� uses city to city distance (notzip code to zip code), | 
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| | 4.� provides distances to tenths of a mile which must be rounded to the nearest mile for each leg of a journey, | 
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| | 5.� doesn't apply to travel distance:� | 
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| | a.� in and around the PDS or TDY sites,� | 
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| | b.� between home/office and carrier terminal, or | 
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| | c.� for local moves, within the same city, | 
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| | which is determined by odometer readings, and | 
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| | 6.� website is found at http://www.dtod.com. | 
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| | B.� TDY and PCS Travel | 
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| | 1.� Effective 1 January 1999, Commands with access to the DTOD internet website, CD-ROMS or interfacing systems should use the DTOD to determine TDY and PCS distance (using practical distance).� Offices without DTOD access (as of 1 January 1999) should continue to use the Official Tables of Distance (AR 55-60/AFM 177-135/ NAVSO P-2471 and AR 55-61/AFM 177-136/NAVSO P-2472) as the official sources for travel distance.�� | 
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| | 2.� Effective 1 April 1999, the DTOD is the only official source for TDY and PCS travel distance (except for airplanes). | 
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| | C.� DITY Moves�� | 
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| | 1.� The DTOD distance (shortest distance) used for HHG transportation must be used for DITY moves effective 1 April 1999 (OCONUS) and 1 May 1999 (CONUS).� Prior to these dates, Commands should continue to use the same sources used for HHG transportation distances. | 
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| | 2.� Effective 1 May 1999, the DTOD (shortest distance) is the only official source for DITY distances. | 
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| | PART B: TRAVEL ORDERS | 
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| | U2100 GENERAL | 
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| | A travel order used for reimbursement of travel and transportation expenses is a written document issued or approved by the Secretarial Process directing a member or a group of members to travel between designated points.� The travel order establishes the conditions for official travel and transportation at Government expense, and provides the basis for the traveler's reimbursement.� A travel order should be issued before the travel is performed. Reimbursement for travel isn�t authorized when the travel is performed before receipt of written or oral orders. | 
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| | Generally, a written travel order isn�t necessary when: | 
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| | 1.travel is performed within the limits of a PDS or in the immediate vicinity of such station (local travel), and� | 
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| | 2.it is known that the travel claim shall involve only reimbursement for commercial transportation or MALT for the use of a POC approved as being more advantageous to the Government. | 
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| | If a travel order isn�t issued for local travel, approval on the voucher is sufficient for reimbursement purposes. | 
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| | U2115 ORDERS FOR TRAVEL AND REIMBURSEMENT | 
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| | A.� Written Orders. | 
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| | A written order issued by competent authority is required for reimbursement of expenses incident to official travel.� For the purpose of reimbursement, a written order that quotes or references an authority authorized to initiate the order is a competent order. | 
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| | B.� Oral Orders. | 
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| | Urgent or unusual situations may require that official travel begin or be performed before a written order can be issued.� Under these circumstances an oral order, conveyed by any medium including telephone, may be given.� When this occurs, the order-issuing official shall promptly issue a confirmatory written order.� An oral order: | 
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| | 1.given in advance of travel, | 
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| | 2.subsequently confirmed in writing giving the date of the oral order, and | 
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| | 3.approved by competent authority | 
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| | meets the requirement for written orders. | 
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| | C.� Orders Not Originated by Competent Authority. | 
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| | Travel orders issued under unusual conditions and not originated by competent authority must be approved by the order-issuing official before reimbursement of travel expenses. | 
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| | U2135 ITINERARY VARIATION | 
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| | Travel orders may include authorization or approval for itinerary� variation to permit: | 
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| | 1.omission of travel to places stated in the travel order,� | 
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| | 2.changes in the order of places to be visited,� | 
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| | 3.changes in the original specified time at a place stated in the travel order, and/or� | 
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| | 4.travel to additional places not shown in the travel order. | 
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| | Generally, the purpose of a trip and places of� TDY are known when a travel order is issued. Variation in itinerary shouldn�t be substituted for adequate advance planning.� This authority isn�t a blanket travel authorization. | 
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| | U2140 EFFECTIVE AND EXPIRATION DATE OF CERTAIN TYPES OF ORDERS | 
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| | A.� Amended, Modified, Canceled or Revoked Orders. | 
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| | When determining the entitlement to allowances for travel and transportation under PCS orders that are amended, modified, canceled or revoked before their effective date, the orders are considered as effective: | 
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| | 1.when received by the member for travel performed by the member or dependents, or� | 
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| | 2.for any transportation of HHG, mobile homes or POVs begun or completed, even though leave, delay, proceed time, or TDY en route is involved. | 
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| | B.� Blanket or Repeated Travel Orders. | 
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| | Blanket or repeated travel orders don�t expire upon the member's return to the PDS.� They continue in effect until expiration by time limit, by automatic cancellation upon PCS, or revocation. | 
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| | U2145 TIME LIMITATIONS FOR PERIODS OF TDY | 
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| | ---------------------------- | 
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| | A. 180 Day Time Limitation.� | 
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| | Except when authorized under subpar. B, TDY assignments at any one location are limited to periods of 180 or less days.� Bona fide extensions of such assignments that, when added to the originally authorized period, total 181 or more days may be directed.� Extensions are limited to those cases in which there has been a definite change or unforeseen delays were encountered.� This limitation does not apply to:�� | 
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| | 1.personnel under TDY orders assigned to military units deployed afloat as indicated in pars. U4102-J and U4102-M; | 
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| | 2.personnel assigned to periods of TDY at more than one location that total 181 or more days if the period of duty at each location is 180 or less days; or | 
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| | 3.personnel TDY for training less than 140 days (20 weeks), including personnel extended due to additional/extended instruction. | 
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| | NOTE:� Assignment to a course of instruction of 140 or more days (20 or more weeks) at one location is a PCS (see Appendix A, definition of permanent (duty) station), except when the course is authorized as TDY under par. U2146-B. | 
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| | B.� TDY Periods in Excess of 180 Days.� | 
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| | When circumstances or exigencies of the Service require TDY at one location for more than 180 days, the appropriate authority determines if TDY is appropriate.� This determination should be made before the orders are issued.� If the nature of the case does not permit delay, orders may be issued and the case submitted immediately to the appropriate authority who shall:� | 
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