For Solaris 8, 9, and 10 versions, service tags are available as Solaris packages. You can download a service tag for the Solaris Operating System from http://www.sun.com/download/. The Solaris packages are as follows:
Solaris 10 x86: SUNWservicetagr SUNWservicetagu
Solaris 10 SPARC: SUNWservicetagr SUNWservicetagu
Solaris 9 SPARC: SUNWstr
Solaris 8 SPARC: SUNWstr