309. Notwithstanding section 218, in the event of total or partial termination of a pension plan, the amount representing, at the date of termination, the value of any reduction of benefits which, pursuant to section 215, is made to offset an initial unfunded actuarial liability determined in a report relating to an actuarial valuation of the plan filed with the Régie before 1 January 1990, shall be paid(1) immediately before the amount referred to in subparagraph 2 of the first paragraph of section 218; or
(2) after the amounts referred to in the first paragraph of the said section, if it is to be paid out of the amounts paid by the employer in respect of a debt under section 228.