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'
renting arrears tax ids refer to T1.council_tax_id; related to customer master index refers to join between Rent_Arrears, CMI_Cross_References, and Customer_Master_Index; detail not 'Schmidt, Kertzmann and Lubowitz' refers to WHERE T3.cmi_details != 'Schmidt ,  Kertzmann and Lubowitz';