how does half payment arbitration work

 
a developer could not complete an EA at specified time  due to other constraint , promised to send the source code of job done so far and choose to apply for arbitration to get half of the agreed payment. what do i do before accepting the arbitration, will he send the sourcecode first  before i click on accept for the arbitration
 
I think this is decided and observed by the Service Desk, only.
 
GBOLAHANODUYIGA:
a developer could not complete an EA at specified time  due to other constraint , promised to send the source code of job done so far and choose to apply for arbitration to get half of the agreed payment. what do i do before accepting the arbitration, will he send the sourcecode first  before i click on accept for the arbitration

If you click accept , the money -without the 10% commission- will be automatically split between you .