21. For the purposes of subparagraph b of subparagraph 2 of the first paragraph of section 39 of the Act mentioned in paragraph 3 of section 4, the amount of the amortization payments determined in relation to solvency deficiencies is equal to the greatest of the following amounts:(1) the total of the amortization payments related to solvency deficiencies resulting from deficiencies determined before the date of the actuarial valuation referred to in section 2 and amortization payments related to solvency deficiencies determined under section 4, excluding amortization payments related to the financial crisis deficiency;
(2) the total of the amortization payments related to technical actuarial deficiencies determined by taking into account the funding relief measures, increased,(a) if instructions were given to the pension committee to apply the measure provided for in paragraph 2 of section 2, by the amortization payments related to improvement unfunded actuarial liabilities concerning amendments made after 30 December 2008;
(b) if not, by the amortization payments related to improvement unfunded actuarial liabilities determined under section 4 and by amortization payments related to solvency deficiencies resulting from deficiencies determined before the date of the actuarial valuation referred to in section 2.