Per diem means a period of 7.5 hours of actual work per day. Where actual hours worked are less than 7.5 hours per day, the amount to be paid will be prorated accordingly;
Average Error Rate for a billing month is the sum of Error Rates for each hour in the billing month divided by the total number of hours in the billing month.
HICP Daily Inflation Reference Index means (A) in relation to the first day of any given month, the HICP Monthly Reference Index of the third month preceding such month, and (B) in relation to a day (D) (other than the first day) in any given month (M), the linear interpolation of the HICP Monthly Reference Index pertaining respectively to the third month preceding such month (M - 3) and the second month preceding such month (M - 2) calculated in accordance with the following formula:
CPI Daily Inflation Reference Index means (A) in relation to the first day of any given month, the CPI Monthly Reference Index of the third month preceding such month, and (B) in relation to a day (D) (other than the first day) in any given month (M), the linear interpolation of the CPI Monthly Reference Index pertaining respectively to the third month preceding such month (M - 3) and the second month preceding such month (M - 2) calculated in accordance with the following formula:
Individual Case Basis or "ICB" shall have the meaning set forth in Exhibit I.