credit Block

Hi

Setting like below: CCA RkC CG Credit control Curr. Update 1000 002 01 Normal risk INR 000012

Dynamic Horizon 0 T (days) reaction and satus as B yes

Max.doc.value 800,000,000.00 and reaction and satus as B yes ..

customer have Credit limit 40Lacs INR and placing order is of 8.10Lac INR..his exposure is 55%.. so kindly suggest why system did not block order ? order was place on 10 april 2010 and billing done on 12April 2010..

Advise

Thanks

MK