From Jacqueline Lichtenberg e-mail June 5, 2013: ESCORT SERVICE, escorts non-donor (small d) Gens into Sime Territory to conduct business as necessary (this costs the Gen usually a lot of money). Of course, if there's a court case the Gen must appear at, the Tecton would pay the Escorts.
Such Escorts are usually TN-3 and QN-3 pairs,(Donor and channel) -- but if the Gen's nager is particularly provocative, higher orders might be used. THAT is expensive. But there's a rotating duty roster and you can't get out of it (like Jury Duty).