With regard to the application of the provisions of Article 39 to a worker for whom the day following the day on which the number of years of continuous service counted from the six-month mark reaches any number of years from four to eight falls within the period from April 1, 1999 to March 31, 2000, until that date, the terms set forth in the middle column of the following table in the table in paragraph (2) of that Article are deemed to be replaced with the terms set forth in the right-hand column of that table, according to the category of the number of years of continuous service counted from the six-month mark set forth in the left-hand column of the following table.