. snap-on does not believe that its trade accounts , finance or contract receivables represent significant concentrations of credit risk because of the diversified portfolio of individual customers and geographical areas . see note 3 for further information on receivables and allowances for doubtful accounts . other accrued liabilities : supplemental balance sheet information for 201cother accrued liabilities 201d as of 2013 and 2012 year end is as follows : ( amounts in millions ) 2013 2012 .