臺灣區各電信局空襲期間維持報話通信辦法－第4條
軍方所需電信局防空洞內之交換機門號，由陸軍總司令部依據各軍事單位所提需求，統一洽長途電信管理局協調各區電信管理局供給。
軍方在空襲期間尚需使用長途電路者，由國防部通信電子局統籌計畫，洽交通部電信總局供給。
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