The rating on Maryland Health and Higher Educational Facilities Authority's series A CP notes, issued for Johns Hopkins Hospital, is based on the borrower's ability to pay the interest that is due on the maturity date and the line of credit provider, Bank of America's ('A-1+') ability to pay the principal that is due on the maturity date. The rating on the series B CP notes is based on the hospital's ability to pay the interest that is due on the maturity date and the line of credit provider, Wachovia Bank N.A.'s ('A-1') ability to pay the principal that is due on the maturity date. The initial expiration date of both lines of credit will be Oct. 31, 2006, and