Notwithstanding the provisions of paragraph (1), the provisions then in force continue to govern the portion of compensation for periodic deposits or similar amounts that a Domestic Corporation is to be paid on or after April 1, 1988 and that correspond to a period specified by Cabinet Order as a calculation period for compensation for periodic deposits or similar amounts that includes that date, which is equivalent to the amount calculated pursuant to Cabinet Order as the amount corresponding to the period from the first day of that period until March 31 of that year.