Surely any such requirement would be mentioned somewhere in you
insurance policy document (unless it is included in some general statement like keeping the
boat "maintained and seaworthy" or some such.
Local West Aussie insurers have been know to inspect broken rigs to check for bad maintainence if you bring it back to shore. My rigger mate suggests one should consign a broken rig to the deep rather than try to bring it home.
This is an old thread!