This excerpt taken from the DIS 8-K filed Mar 10, 2005.
Interest Reset Periods; Interest Reset Date. Each Floating Rate Note and the applicable Pricing Supplement will specify whether the rate of interest on such Floating Rate Note will be reset daily, weekly, monthly, quarterly, semiannually or annually (each, an Interest Reset Date) and the period between Interest Reset Dates (each, an Interest Reset Period). Unless otherwise specified in a Floating Rate Note and the applicable Pricing Supplement, the Interest Reset Date will be, in the case of a Floating Rate Note which resets (l) daily, each Business Day; (2) weekly, the Wednesday of each week (with the exception of weekly reset Treasury Rate Notes, which reset the Tuesday of each week, except as specified in paragraph (iv) below); (3) monthly, the third Wednesday of each month, other than Eleventh District Cost
of Funds Rate Notes, which will reset the first calendar day of each month; (4) quarterly, the third Wednesday of March, June, September and December of each year; (5) semiannually, the third Wednesday of each of the two months specified in such Pricing Supplement; and (6) annually, the third Wednesday of the month specified in such Pricing Supplement. If any Interest Reset Date for any Floating Rate Note would otherwise be a day that is not a Business Day, such Interest Reset Date will be postponed to the next succeeding day that is a Business Day, except that in the case of a LIBOR Note or a EURIBOR Note (or a Note for which LIBOR or EURIBOR is the applicable Base Rate), if such Business Day is in the next succeeding calendar month, such Interest Reset Date shall be the last Business Day in the preceding month.