Notes to the accounts

14. Trade and other receivables
2008
$m
2007
$m
Trade receivables by geographic location    
– US 900.6 828.8
– UK 9.8 15.5
910.4 844.3
Less: Provision for impairment of receivables (62.2) (52.2)
Trade receivables – net 848.2 792.1
Corporation tax recoverable 0.1 0.2
Other receivables and prepayments 79.2 76.8
Trade and other receivables – current 927.5 869.1
Other receivables – non-current 34.8 29.2
962.3 898.3

The directors consider that the carrying amount of trade and other receivables approximates to their fair value, which is estimated as the present value of future cash flows, discounted at the market rate of interest at the balance sheet date. The carrying amount of financial assets represents the maximum credit exposure.

The ageing of trade receivables at the reporting date was:

2008 2007
Gross

Provision for
Impairment
Gross

Provision for
Impairment
$m $m $m $m
Not past due 710.7 (21.4) 667.8 (20.1)
Past due 0-90 days 165.0 (6.3) 150.6 (6.3)
More than 90 days 34.7 (34.5) 25.9 (25.8)
910.4 (62.2) 844.3 (52.2)
Provision for impairment of receivables
Balance at
beginning of
period
$m
Charged to
profit
$m
Utilised(1)
$m
Balance at
end of
period
$m
52 weeks ended 28 January 2006 40.8 81.2 (75.1) 46.9
53 weeks ended 3 February 2007 46.9 73.1 (67.8) 52.2
52 weeks ended 2 February 2008 52.2 93.6 (83.6) 62.2

(1)Including the impact of foreign exchange translation.


The provision for impairment charged to profit relates to receivables due from individual customers, and no individual balance is significant. If the Group believes that a specific balance is irrecoverable, it is written off.