This has closed with what looks like 212 signatures.
Gordon Browns response is here:
It looks like you can have these codes, or the use of them, under certain conditions.
I'm not sure what that will prove to mean. It may mean that they are now available or it may mean that anyone who just wants to trash (criticise) their models may find they do not qualify.
Of course, use of and access to with a view to seeing what is going on may be two different things; like being allowed to use Windows 7 but not deconstruct it.
Incidentally, we do have a problem that researchers are being denied this access and furthermore that the CRU's dog has eaten its homework, as this WUWT article says: