146.3.6. The appropriation of the surplus assets of a pension plan to the payment of employer contributions must cease(1) in the case of a pension plan referred to in section 146.3.4, at the date of any actuarial valuation showing that there are no surplus assets determined on a funding basis, or that assets determined on a solvency basis no longer exceed liabilities increased by the provision for adverse deviation referred to in subparagraph 2 of the first paragraph of section 128; and
(2) in the case of a pension plan referred to in section 146.3.5, as soon as the condition set out in paragraph 1 of that section is no longer met.