7. The following shall be deducted from the complementary indemnity:
(a) the pensions for permanent disability, whatever the cause, granted to the worker before 27 June 1975; and
(b) the pensions for permanent disability not caused by asbestosis or silicosis granted to the worker after 27 June 1975.
The pensions contemplated in this section shall continue to be paid in accordance with the Workmen’s Compensation Act (chapter A-3).