64. Subject to section 63, for the purpose of sections 39 and 130 of the Act at the date of an actuarial valuation after 30 December 2020, the contributions provided for under subdivision 3 of Division III, determined at the time of the actuarial valuation as at 31 December 2019, are deemed amortization payments required to amortize a technical actuarial deficiency determined at that date.