Jurisdiction — Territorial — Exemptions from territorial jurisdiction — Foreign armed forces — Jurisdiction of courts of receiving country — Allied forces in Germany — Action for damages for personal injuries by employee of visiting forces — Injuries caused by negligence of fellow employee — Whether courts of receiving country competent to adjudicate upon claim — Acts committed in performance of official duty — Certificate of agent of foreign forces — “Forces Convention” of October 23, 1954 — Finance Convention of May 26, 1952 — The law of Germany.