Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE CMI_Cross_References (source_system_code VARCHAR, cmi_cross_ref_id VARCHAR)
TABLE: CREATE TABLE Benefits_Overpayments (council_tax_id VARCHAR, cmi_cross_ref_id VARCHAR)

### Question ###
What is the tax source system code related to the benefits and overpayments? List the code and the benifit id, order by benifit id.

### Accurate SQL ###

SELECT T1.source_system_code, T2.council_tax_id FROM CMI_Cross_References AS T1 JOIN Benefits_Overpayments AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id ORDER BY T2.council_tax_id