night?s lodging. (2) At your TDY location. (i) From the TDY transit system station to your place of lodging or place of official business and return; (ii) To, from, and between your places of lodging and official business; (iii) Between places of official business; or (iv) To obtain meals at the nearest available place when the nature and location of the official business or the lodging at a TDY location are such that meals cannot be obtained there. You must attach a statement or include electronic remarks with your travel voucher explaining why such transportation was necessary. (b) Courtesy transportation . You should use courtesy transportation service furnished by hotels/motels to the maximum extent possible as a first source of transportation between a place of lodging at the TDY station and a common carrier terminal. You will be reimbursed for tips when you use courtesy transportation service. (c) Restrictions . When appropriate, your agency will restrict or place a monetary limit on the amount of reimbursement for the use of taxicabs under this paragraph when? (1) Suitable Government or common carrier transportation service, including shuttle service, is available for all or part of the distance involved; or (2) Courtesy transportation service is provided by hotels/motels between the place of lodging at the TDY station and the common carrier terminal. 301-10.421  How much will my agency reimburse me for a tip to a taxi, shuttle service, courtesy transportation driver, or valet parking attendant? An amount which your agency determines to be