In the sentences extracted from financial agreements in U.S. SEC filings, identify the named entities that represent a person ('PER'), an organization ('ORG'), or a location ('LOC'). The required answer format is: 'entity name, entity type'. For instance, in 'Elon Musk, CEO of SpaceX, announced the launch from Cape Canaveral.', the entities would be: 'Elon Musk, PER; SpaceX, ORG; Cape Canaveral, LOC'
4 . 2 . 13 to the extent necessary to maintain his ownership of the Borrower Equity Interest , execute all necessary or appropriate documents , take all necessary or appropriate actions and file all necessary or appropriate complaints or raise necessary and appropriate defense against all claims ; Borrower, PER