like geno said it depends on how your TA drafted. Tenant sign your TA, hes bound under it. If he does not meet the condition, after sending 3 notifications, landlord's lawyer will sue them. Based on TA, the tenant has to bear the legal cost. If the tenant is smart, he will settle outside without involving legal issue or he has bear all legal cost.

If the tenant still refused to pay, the landlord can bring this to court and officially sue them. By this time, it is too late to negotiate outside court bcoz landlord had engaged a lawyer. Landlord get court order, tenant is gone case.

The process is long and for my case, simple. Hire gangster goreng them upside down, everyday and they will leave soon.