ANNUAL REPORT 2008/09 - Sonova

13. Trade receivables
1,000 CHF 31.3.2009 31.3.2008
Trade accounts receivable 273,495 237,401
Provision for doubtful accounts (11,473) (10,901)
Total 262,022 226,500
Typically in this industry, the Sonova Group has a large number of customers. There is no signifi cant
concentration of the credit risk. The ageing of trade accounts receivable and related provisions looks as
follows:
1,000 CHF 31.3.2009 31.3.2008
Total trade accounts receivable, net
of which:
262,022 226,500
Not overdue 190,420 167,978
Overdue 1 – 30 days 36,794 25,922
Overdue 31 – 90 days 18,336 17,529
Overdue 91 – 180 days 9,773 10,027
Overdue more than 181 days 6,699 5,044
Total trade accounts receivable, net 262,022 226,500
Provisions for doubtful accounts receivable are established based on individual adjustments and past
experiences. The charges to the income statement are included in general and administration costs. The
following table summarizes the movements in the provision for doubtful accounts:
1,000 CHF 2008/09 2007/08
April 1 (10,901) (10,855)
Utilization or reversal of provisions for doubtful accounts 3,529 4,064
Set up of provisions for doubtful accounts (3,493) (4,980)
Changes through business combiniations (799) (6)
Exchange diff erences 191 876
March 31 (11,473) (10,901)
During 2008/09 the Group has utilized CHF 1.4 million (previous year CHF 0.9 million) of this provision
to impair receivables.
82 CONSOLIDATED FINANCIAL STATEMENTS