Note: If the contract has been billed and cash receipts were applied, follow the steps in article 32673, Can I change the Accounts Receivable customer on a contract-based contract after it has already been billed?, linked below.

1. Verify that no in progress invoices exist in Billing and delete if it exists in Billing. To determine if there is an in progress worksheet/invoice exists,run the following inquiry: Billing, Inquiry, Invoices, All Invoices, select unbilled, select active and condition on or look for the contract number. If an invoice exists, delete in Contract Based Invoices.
2. Go to Contracts, File, Open Contract.
3. Select the contract.
4. Click Open.
5. On the General tab change the customer on each of the incorrect contract items.
6. Close out of the Contract.