TransitioningToState indicates the target state to which the instance is transitioning. A value of 5 \"No Change\" shall ...

TransitioningToState indicates the target state to which the instance is transitioning. 
A value of 5 \"No Change\" shall indicate that no transition is in progress.A value of 12 \"Not Applicable\" shall indicate the implementation does not support representing ongoing transitions. 
A value other than 5 or 12 shall identify the state to which the element is in the process of transitioning.