In the second Artefact of http://vm-1274-user.virt.ch.bbc.co.uk/as/block/AL_A/ (this appears in AS-11 X8 and possibly elsewhere) remove "If Constrained Multichannel Audio Labeling Framework is used then". This clause is unnecessary and confusing (it is unnecessary because the other Artefact in the Block mandates that the Constrained Multichannel Audio Labeling Framework will be used).
In the second Artefact of http://vm-1274-user.virt.ch.bbc.co.uk/as/block/AL_A/ (this appears in AS-11 X8 and possibly elsewhere) remove "If Constrained Multichannel Audio Labeling Framework is used then". This clause is unnecessary and confusing (it is unnecessary because the other Artefact in the Block mandates that the Constrained Multichannel Audio Labeling Framework will be used).