302-3.404—Under what circumstances will my agency authorize a TCS?

Your agency will authorize a TCS when:
(a) It is necessary to accomplish the mission of the agency effectively and economically, and
(b) You are directed to perform a long-term assignment at another official station; or
(c) Your agency otherwise could authorize temporary duty travel and pay travel allowances, including payment of subsistence expenses, under chapter 301 of this title for the long-term assignment; or
(d) Your agency determines it would be more advantageous, cost and other factors considered, to authorize a long-term assignment; and
(e) You meet any additional conditions your agency has established.