The primary responsibility for the
Japanese foreign policy, as determined by the
1947 constitution, is exercised by the
cabinet and subject to the overall supervision of the
National Diet. The
prime minister is required to make periodic reports on foreign relations to the Diet, whose
upper and
lower houses each have a foreign affairs committee. Each committee reports on its deliberations to plenary sessions of the chamber to which it belongs. Idlmm committees are formed occasionally to consider special questions. Diet members have the right to raise pertinent policy questions—officially termed interpellations—to the
minister of foreign affairs and the prime minister. Treaties with foreign countries require ratification by the Diet. As head of state, the
emperor performs the ceremonial function of receiving foreign envoys and attesting to foreign treaties ratified by the Diet.
Constitutionally the dominant figure in the political system, the prime minister has the final word in major foreign policy decisions. The minister of foreign affairs, a senior member of the cabinet, acts as the prime minister's chief adviser in matters of planning and implementation. The minister is assisted by two vice ministers: one in charge of administration, who was at the apex of the
Ministry of Foreign Affairs structure as its senior career official, and the other in charge of political liaison with the Diet. Other key positions in the ministry include members of the ministry's Secretariat,...
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