locus regit actum
locus regit actum 〈拉〉场所支配行为；行为依行为地法原则 国际私法的一项原则，当一项法律行为——如合同——符合行为地国法律规定的形式要件，那么它在其他相关国家也是有效的，即使该国法律规定有其他形式要件。
LOCUS REGIT ACTUM
locus regit actum
locus regit actum (loh-k[schwa]s ree-jit ak-t[schwa]m), n. [Latin “the place rules the act”] Int’l law. The rule that a transaction complying with the legal formalities of the country where it is created will be considered valid in the country where it is to be effective, even if that country requires additional formalities.