17.2 In case of job workers not operating under Notification 214/86-CE (i.e. registered under excise at present), whether they can carry forward the credit availed on RM/PM supplied to them by the principal manufacturer? Also is there any restriction on carry forward of the credit on input services distributed to them by the principal as ISD under Rule 7 of the Credit Rules and remaining unutilized on the day of GST implementation?