In some States, a fully effective security right in an asset only comes into being upon conclusion of a security agreement and completion of an additional act, such as delivery of possession of the encumbered asset.
143. 在一些国家，在一资产上具有充分效力的担保权只有在订立担保协议并完成交付对担保资产的占有权等补充行动后，才告产生。