Could we have more context please? Thanks.
Have you consulted the glossary are there are many entries which may suit your context. I gather it is a certificate (?). Examples:
http://www.proz.com/?sp=ksearch
Certificate of Good Standing Certificado de Existencia o de Situación Idónea
certificado de vigencia Certificate of good standing
Certificate of Good Standing Certificado de Existencia y Vigencia Legal
certificate of good standing certificado de aptitud profesional y conducta intachable
certificate of good standing Certificado de Vigencia / Certificado de Solvencia y Existencia