AccountContract

SELECT Id,Account_code_SCE_ML__c,Account_status__c,Account_Type__c,FirstName__c,LastName__c,NIF_CIF_Customer_NIE__c,Identifier_Type__c,Physical_or_legal_cd__c, (SELECT Id,Contract_Number__c,CUPS__c, Digital_invoicing_flg__c,StartDate,Status,B2C_Billing_Profile__c,B2C_Billing_Profile__r.Description__c,Company_owner_cd_c__c, Fixed_feed_flg__c,Product__c,AccountId, Tariff__c,B2C_Billing_Profile__r.IBAN__c FROM Contracts)
FROM Account