In case of stoppage of services due to non payment and if still the customer refuses to pay, what will be your next step to recover the overdue?

simply four steps :

1- report the case to mangers

2- hold all his accounts

3-trying to arrange some kind of agreement with client to pay back the money in case he said yes then this is fine , in case he refused this choice then we sgould move to step4

4-taking legal action

Here you need to be smart you can come with a package/deal that best suits the interests of the customer also it recovers your reasonable money

OPEN L/C

Legal Action is prefered