With a GeoTrust True BusinessID Multi-Domain certificate, you can add, edit, or delete up to 25 domain nam es over the lifetime of the certificate. You can add, edit or delete any additional domain names to the subject alt name (SAN) field during the enrollment process or at anytime during the lifecycle of the certificate.
More info at http://www.sslcerts247.com/geotrust/true-businessid-multi-domain
