Jurisdiction — Territorial — Exemptions from — Foreign armed forces — Jurisdiction of receiving State and concurrent jurisdiction of foreign military authorities — United States forces in Japan — Administrative Agreement under Security Treaty of 1952 — Article 17 of Agreement — Effect of notification of non-exercise of jurisdiction by United States military authorities — Whether equivalent to waiver of jurisdiction — Meaning of provision in Article 17 regarding supply of evidence by authorities of either State to those of the other State — Whether offence committed in course of official duty.