primary insurance
Insurance that attaches immediately on the happening of a loss; insurance that is not contingent on the exhaustion of an underlying policy. Cf. excess insurance. [Cases: Insurance 2110.]
primary insurance
primary insurance
primary insurance 优先保险 又称原保险或基础保险（original insurance或underlying insurance)。保险事故发生时，首先承担保险责任的保险。如此项保险不足以补偿损失时，再由超额保险或其他保险予以补偿。