Yes, it is type specific, and I have yet to see the details about whether for RW the IR is flown 'single pilot' for the purposes of the test. As yet, details are sketchy, but the principle is in place.
As crab pointed out, the RAF can be pretty petty at times, but often rules disallowing this have been imposed at a local level, so are personality dependant and subject to change.
As Beagle pointed out, best to see what comes out in the wash, but felt it appropriate to let people know the rumour, this being a rumour network 'n all