Who signs the contract?

In Intra-Office Referral, 

1. The Referral Contact sees the referral in the Sending Side view after it is created, and they can sign the contract on the "Contract" tab.
2. Again, the Referral Contact sees the same referral in the Receiving Side view, and they can add the contract details and sign.
3. The referral becomes Active once the contract is signed on both end, and the default referral view remains on the Receiving Side with the "Status Update" tab open.