NEW YORK--(BUSINESS WIRE)--Fitch Ratings has issued a presale for Chase Issuance Trust, class A(2015-7). Fitch expects to rate the transaction as follows: --$500,000,000 class A(2015-7) 'AAAsf'; Outlook Stable. KEY RATING DRIVERS Fitch's ratings are based on the underlying receivables pool, available credit enhancement, Chase Bank USA's underwriting and servicing capabilities, and the transaction's legal and cash flow structures, which employ early redemption triggers. The transaction structure