An Assumption Endorsement — Issued by Underwriter is a document that allows a new owner or lender to take over an existing insurance policy from a prior owner or lender. The endorsement is issued by the underwriter and specifies the terms and conditions of the policy transfer. It also serves as a record that the underwriter has approved the policy transfer. There are two types of Assumption Endorsement-Issued by Underwriter: Subordination Endorsement and Nonsubordination Endorsement. A Subordination Endorsement is used when the new owner or lender will have a higher priority than the prior owner or lender. A Nonsubordination Endorsement is used when the new owner or lender will have the same priority as the prior owner or lender.