A personal account is allowed up to 6 Recipients in total. A business account is allowed up to 1 Business name and 6 Recipient names.

If the customer would like to add an additional recipient:  

• A separate form 1583 is required for each recipient. (minors can be added on the primary recipients form 1583)
• If the additional recipient is in person, you can sign the form 1583 as the witness/notary, review the documents, upload the required documents and add the name to the account. 
• If the additional recipient is not in person, the additional recipient will need to complete the online notary via proof.com: https://www.proof.com/customers/ipostal1.

Note: Only one business name is permitted on a USPS Form 1583.