The rates or coefficients used to calculate the investment allowances referred to in articles 211-26, 211-28, 211-29, 222-4, 232-6 and 232-7, as well as the rates used to calculate and the ceilings for the direct allowances referred to in articles 211-75, 211-82, 211-85, 222-15 and 411-19, are subject to a reduction of 5.29%.