NIk definition
NIk. = as defined above; and
NIk. = amount of the index number of IPCA of the month prior to the month of restatement, if the restatement is on a date prior or on the Anniversary Date of Debentures. After the Anniversary Date of the Debentures, value of the IPCA index number referring to the month of updating. The month of restatement refers to the calculation date of the Debentures; "NIk-1" = value of the IPCA index number of the month prior to month 'k';
NIk corresponds to the IPCA Index Number published in the month immediately before the month of restatement, in case the restatement is in a date prior to or at the Date of Anniversary itself (as defined below) of the Debentures. After the Date of Anniversary, the “NIk” shall correspond to the value of the IPCA Index Number published in the month of restatement. “NIk – 1” corresponds to the IPCA Index Number used in the immediately previous month by NIk, or eventual legal replacement, in case in the immediately previous month to the used in NIk the legal substitute may have been used at the Date of Payment of last IPCA Index Number used after the incorporation of interests, restatement or amortization, if any, whatever occurs first. In case of the first restatement, it shall be used the IPCA index number published in the immediately previous second month. “dup” corresponds to the number of Business Days between the first Date of Payment, or immediately previous Date of Anniversary, inclusive, and the date of calculation, exclusive, being “dup” a whole number. Exclusively for the first period, it shall be added a premium of 2 (two) Business Days to the “dup”; and “dut” corresponds to the number of Business Days contained between the immediately previous Date of Anniversary, inclusive, and the next Date of Anniversary, exclusive, being “dut” a whole number. For the period, it shall be considered dut = 21 Business Days.