from his place of residence at the time of selection or assignment to his duty station. If the travel and transportation expenses of a student trainee were paid when he was appointed, they may not be paid when he is assigned after completion of college work. Travel expenses payable under this subsection may include the per diem and mileage allowances authorized for employees by subchapter I of this chapter. Advances of funds may be made for the expenses authorized by this subsection to the extent authorized by section 5724(f) of this title. In the case of an appointee described in paragraph (1) who has performed transition activities under section 3 of the Presidential Transition Act of 1963 (3 U.S.C. 102 note), the provisions of paragraphs (1) and (2) may apply to travel and transportation expenses from the place of residence of such appointee (at the time of relocation following the most recent general elections held to determine the electors of the President) to the assigned duty station of such appointee.