What are the renting arrears tax ids related to the customer master index whose detail is not 'Schmidt, Kertzmann and Lubowitz'?
select t1.council_tax_id from rent_arrears as t1 join cmi_cross_references as t2 on t1.cmi_cross_ref_id = t2.cmi_cross_ref_id join customer_master_index as t3 on t3.master_customer_id = t2.master_customer_id where t3.cmi_details != 'Schmidt, kertzmann and Lubowitz'