Some of the questions you should be asking are:
Regardless of whether there is a challenge to the adjudicator’s jurisdiction, there should always be an enquiry into jurisdiction
Where a challenge has been made the adjudicator should investigate such challenge and satisfy themselves as to the validity or otherwise of such challenge. If the challenge has merit then the adjudicator should refuse to proceed with the adjudication unless and until he or she has jurisdiction. If the challenge is without merit, then the adjudicator should notify the disputing parties of his or her view and proceed with the adjudication.
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