<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
How can I sign a check that doesn't belong to me?
<|assistant|>
You cannot sign someone else's check without their permission. If you need to write a check but don't have the account information, you can fill out a bank or business order form and provide your bank with the payee's account information. Then, the bank will fill out the rest of the check information and mail it to the payee for them to fill out and deposit.