Economic Master Issuer PLC is a structured entity that acquires and manages portfolios of mortgage loans secured by first charge over residential properties in the UK. The company generates revenue through the collection of principal and interest payments on these loans, which are financed by the issuance of various classes of notes. It operates as a special purpose vehicle, with the Society administering the mortgage loans on its behalf and holding certain notes. The company does not recognize the mortgage loans on its balance sheet but accounts for a receivable from the Society.