Just for those keeping an eye on this. I have a legitimate enough reason to operate in the SRZ this afternoon, although it's not strictly one of the reasons mentioned in the AIC. I phoned the Operational Helpdesk and got permission without too much fuss.
They have a limited number of slots available for operations in the SRZ and while the exceptions named in the AIC take priority, they do accommodate other requests as well, provided that the request is genuine and legitimate, and slots are available.