Can an arbitral tribunal continue with proceedings in the absence of a party who was notified but failed to appear ?

The respondent was a paid secretary of the appellant. The respondent was found to have embezzled the sum of N4, 301,010 and which he admitted to in a statement dated November 7, 2012. The respondent subsequently made a promissory note on December 20, 2012, to pay N1, 000,000 by April/May 2013.