bad debt provision- write off

Hi

i want some clarification Bad debt provision -write off in account receivable.my client has process for dunning --

dunning process: enter the documrnt FB70

customer line item managemnt

check open item mgt in Fbl5n

run to dunning in F150

Bad debt provision-write off

Bad debt provision-write off- give example for "Bad debt provision-write off"

Advance thanks

regards

ysr